More target-typed new and redundant paranthesis cleanup

src/NadekoBot/Modules/Administration/Administration.cs

@@ -299,7 +299,7 @@ public partial class Administration : NadekoModule<AdministrationService>
     [RequireContext(ContextType.Guild)]
     public async Task Delete(ITextChannel channel, ulong messageId, StoopidTime time = null)
     {
-        await InternalMessageAction(channel, messageId, time, (msg) => msg.DeleteAsync());
+        await InternalMessageAction(channel, messageId, time, msg => msg.DeleteAsync());
     }
 
     private async Task InternalMessageAction(ITextChannel channel, ulong messageId, StoopidTime time,

src/NadekoBot/Modules/Administration/Common/UserSpamStats.cs

@@ -14,7 +14,7 @@ public sealed class UserSpamStats : IDisposable
     public UserSpamStats(IUserMessage msg)
     {
         LastMessage = msg.Content.ToUpperInvariant();
-        timers = new ConcurrentQueue<Timer>();
+        timers = new();
 
         ApplyNextMessage(msg);
     }
@@ -31,7 +31,7 @@ public sealed class UserSpamStats : IDisposable
                 while (timers.TryDequeue(out var old))
                     old.Change(Timeout.Infinite, Timeout.Infinite);
             }
-            var t = new Timer((_) => {
+            var t = new Timer(_ => {
                 if (timers.TryDequeue(out var old))
                     old.Change(Timeout.Infinite, Timeout.Infinite);
             }, null, TimeSpan.FromMinutes(30), TimeSpan.FromMinutes(30));

src/NadekoBot/Modules/Administration/DangerousCommands.cs

@@ -44,7 +44,7 @@ namespace NadekoBot.Modules.Administration
             {
                 var result = _service.SelectSql(sql);
 
-                return ctx.SendPaginatedConfirmAsync(0, (cur) =>
+                return ctx.SendPaginatedConfirmAsync(0, cur =>
                 {
                     var items = result.Results.Skip(cur * 20).Take(20);
 

src/NadekoBot/Modules/Administration/LocalizationCommands.cs

@@ -69,7 +69,7 @@ public partial class Administration
                 }
                 else
                 {
-                    ci = new CultureInfo(name);
+                    ci = new(name);
                     Localization.SetGuildCulture(ctx.Guild, ci);
                 }
 
@@ -103,7 +103,7 @@ public partial class Administration
                 }
                 else
                 {
-                    ci = new CultureInfo(name);
+                    ci = new(name);
                     Localization.SetDefaultCulture(ci);
                 }
 

src/NadekoBot/Modules/Administration/PruneCommands.cs

@@ -23,9 +23,9 @@ public partial class Administration
             var user = await ctx.Guild.GetCurrentUserAsync().ConfigureAwait(false);
 
             if (parameter == "-s" || parameter == "--safe")
-                await _service.PruneWhere((ITextChannel)ctx.Channel, 100, (x) => x.Author.Id == user.Id && !x.IsPinned).ConfigureAwait(false);
+                await _service.PruneWhere((ITextChannel)ctx.Channel, 100, x => x.Author.Id == user.Id && !x.IsPinned).ConfigureAwait(false);
             else
-                await _service.PruneWhere((ITextChannel)ctx.Channel, 100, (x) => x.Author.Id == user.Id).ConfigureAwait(false);
+                await _service.PruneWhere((ITextChannel)ctx.Channel, 100, x => x.Author.Id == user.Id).ConfigureAwait(false);
             ctx.Message.DeleteAfter(3);
         }
         // prune x
@@ -43,7 +43,7 @@ public partial class Administration
                 count = 1000;
 
             if (parameter == "-s" || parameter == "--safe")
-                await _service.PruneWhere((ITextChannel)ctx.Channel, count, (x) => !x.IsPinned).ConfigureAwait(false);
+                await _service.PruneWhere((ITextChannel)ctx.Channel, count, x => !x.IsPinned).ConfigureAwait(false);
             else
                 await _service.PruneWhere((ITextChannel)ctx.Channel, count, x => true).ConfigureAwait(false);
         }

src/NadekoBot/Modules/Administration/RoleCommands.cs

@@ -26,7 +26,7 @@ public partial class Administration
 
         public async Task InternalReactionRoles(bool exclusive, ulong? messageId, params string[] input)
         {
-            var target = messageId is ulong msgId
+            var target = messageId is { } msgId
                 ? await ctx.Channel.GetMessageAsync(msgId).ConfigureAwait(false)
                 : (await ctx.Channel.GetMessagesAsync(2).FlattenAsync().ConfigureAwait(false))
                 .Skip(1)
@@ -66,7 +66,7 @@ public partial class Administration
             {
                 try
                 {
-                    await target.AddReactionAsync(x.emote, new RequestOptions()
+                    await target.AddReactionAsync(x.emote, new()
                     {
                         RetryMode = RetryMode.Retry502 | RetryMode.RetryRatelimit
                     }).ConfigureAwait(false);
@@ -80,7 +80,7 @@ public partial class Administration
                 await Task.Delay(500).ConfigureAwait(false);
             }
 
-            if (_service.Add(ctx.Guild.Id, new ReactionRoleMessage()
+            if (_service.Add(ctx.Guild.Id, new()
                 {
                     Exclusive = exclusive,
                     MessageId = target.Id,

src/NadekoBot/Modules/Administration/SelfAssignedRolesCommands.cs

@@ -112,7 +112,7 @@ public partial class Administration
 
             var (exclusive, roles, groups) = _service.GetRoles(ctx.Guild);
 
-            await ctx.SendPaginatedConfirmAsync(page, (cur) =>
+            await ctx.SendPaginatedConfirmAsync(page, cur =>
             {
                 var rolesStr = new StringBuilder();
                 var roleGroups = roles

src/NadekoBot/Modules/Administration/SelfCommands.cs

@@ -264,7 +264,7 @@ public partial class Administration
                            $"| {st.GuildCount.ToString().PadBoth(maxGuildCountLength)} `";
                 })
                 .ToArray();
-            await ctx.SendPaginatedConfirmAsync(page, (curPage) =>
+            await ctx.SendPaginatedConfirmAsync(page, curPage =>
             {
                 var str = string.Join("\n", allShardStrings.Skip(25 * curPage).Take(25));
 

src/NadekoBot/Modules/Administration/Services/AdministrationService.cs

@@ -26,11 +26,11 @@ public class AdministrationService : INService
         _db = db;
         _logService = logService;
 
-        DeleteMessagesOnCommand = new ConcurrentHashSet<ulong>(bot.AllGuildConfigs
+        DeleteMessagesOnCommand = new(bot.AllGuildConfigs
             .Where(g => g.DeleteMessageOnCommand)
             .Select(g => g.GuildId));
 
-        DeleteMessagesOnCommandChannels = new ConcurrentDictionary<ulong, bool>(bot.AllGuildConfigs
+        DeleteMessagesOnCommandChannels = new(bot.AllGuildConfigs
             .SelectMany(x => x.DelMsgOnCmdChannels)
             .ToDictionary(x => x.ChannelId, x => x.State)
             .ToConcurrent());
@@ -108,7 +108,7 @@ public class AdministrationService : INService
             {
                 if (old is null)
                 {
-                    old = new DelMsgOnCmdChannel { ChannelId = chId };
+                    old = new() { ChannelId = chId };
                     conf.DelMsgOnCmdChannels.Add(old);
                 }
 

src/NadekoBot/Modules/Administration/Services/AutoAssignRoleService.cs

@@ -128,7 +128,7 @@ public sealed class AutoAssignRoleService : INService
             .GuildConfigs
             .AsNoTracking()
             .Where(x => x.GuildId == guildId)
-            .UpdateAsync(_ => new GuildConfig(){ AutoAssignRoleIds = null});
+            .UpdateAsync(_ => new(){ AutoAssignRoleIds = null});
             
         _autoAssignableRoles.TryRemove(guildId, out _);
             
@@ -154,7 +154,7 @@ public static class GuildConfigExtensions
     public static List<ulong> GetAutoAssignableRoles(this GuildConfig gc)
     {
         if (string.IsNullOrWhiteSpace(gc.AutoAssignRoleIds))
-            return new List<ulong>();
+            return new();
 
         return gc.AutoAssignRoleIds.Split(',').Select(ulong.Parse).ToList();
     }

src/NadekoBot/Modules/Administration/Services/DangerousCommandsService.cs

@@ -59,8 +59,8 @@ DELETE FROM Clubs;";
     {
         var result = new SelectResult()
         {
-            ColumnNames = new List<string>(),
-            Results = new List<string[]>(),
+            ColumnNames = new(),
+            Results = new(),
         };
 
         using (var uow = _db.GetDbContext())
@@ -116,14 +116,14 @@ DELETE FROM Clubs;";
                 .Set<WaifuInfo>()
                 .AsQueryable()
                 .Where(x => x.Claimer.UserId == userId)
-                .UpdateAsync(x => new WaifuInfo() {ClaimerId = null});
+                .UpdateAsync(x => new() {ClaimerId = null});
                 
             // all affinities set to this waifu are reset
             await uow
                 .Set<WaifuInfo>()
                 .AsQueryable()
                 .Where(x => x.Affinity.UserId == userId)
-                .UpdateAsync(x => new WaifuInfo() {AffinityId = null});
+                .UpdateAsync(x => new() {AffinityId = null});
         }
 
         // delete guild xp

src/NadekoBot/Modules/Administration/Services/DiscordPermOverrideService.cs

@@ -64,7 +64,7 @@ public class DiscordPermOverrideService : INService, ILateBlocker
             if (over is null)
             {
                 uow.Set<DiscordPermOverride>()
-                    .Add(over = new DiscordPermOverride()
+                    .Add(over = new()
                     {
                         Command = commandName,
                         Perm = perm,

src/NadekoBot/Modules/Administration/Services/GameVoiceChannelService.cs

@@ -19,7 +19,7 @@ public class GameVoiceChannelService : INService
         _db = db;
         _client = client;
 
-        GameVoiceChannels = new ConcurrentHashSet<ulong>(
+        GameVoiceChannels = new(
             bot.AllGuildConfigs.Where(gc => gc.GameVoiceChannel != null)
                 .Select(gc => gc.GameVoiceChannel.Value));
 
@@ -40,8 +40,7 @@ public class GameVoiceChannelService : INService
 
                 //if the activity has changed, and is a playing activity
                 if (before.Activity != after.Activity
-                    && after.Activity != null
-                    && after.Activity.Type == Discord.ActivityType.Playing)
+                    && after.Activity is { Type: Discord.ActivityType.Playing })
                 {
                     //trigger gvc
                     await TriggerGvc(after, after.Activity.Name);

src/NadekoBot/Modules/Administration/Services/LogCommandService.cs

@@ -102,7 +102,7 @@ public sealed class LogCommandService : ILogCommandService
                 .ToConcurrent();
         }
 
-        _timerReference = new Timer(async (state) =>
+        _timerReference = new(async state =>
         {
             var keys = PresenceUpdates.Keys.ToList();
 
@@ -143,7 +143,7 @@ public sealed class LogCommandService : ILogCommandService
 
         _prot.OnAntiProtectionTriggered += TriggeredAntiProtection;
 
-        _clearTimer = new Timer(_ =>
+        _clearTimer = new(_ =>
         {
             _ignoreMessageIds.Clear();
         }, null, TimeSpan.FromHours(1), TimeSpan.FromHours(1));
@@ -228,7 +228,7 @@ public sealed class LogCommandService : ILogCommandService
                                                                         (value ? channelId : (ulong?) null);
             ;
             await uow.SaveChangesAsync();
-            GuildLogSettings.AddOrUpdate(guildId, (id) => logSetting, (id, old) => logSetting);
+            GuildLogSettings.AddOrUpdate(guildId, id => logSetting, (id, old) => logSetting);
         }
     }
 
@@ -299,7 +299,7 @@ public sealed class LogCommandService : ILogCommandService
         using (var uow = _db.GetDbContext())
         {
             var logSetting = uow.LogSettingsFor(gid);
-            GuildLogSettings.AddOrUpdate(gid, (id) => logSetting, (id, old) => logSetting);
+            GuildLogSettings.AddOrUpdate(gid, id => logSetting, (id, old) => logSetting);
             switch (type)
             {
                 case LogType.Other:

src/NadekoBot/Modules/Administration/Services/MuteService.cs

@@ -60,7 +60,7 @@ public class MuteService : INService
                 .ToDictionary(c => c.GuildId, c => c.MuteRoleName)
                 .ToConcurrent();
 
-            MutedUsers = new ConcurrentDictionary<ulong, ConcurrentHashSet<ulong>>(configs
+            MutedUsers = new(configs
                 .ToDictionary(
                     k => k.GuildId,
                     v => new ConcurrentHashSet<ulong>(v.MutedUsers.Select(m => m.UserId))
@@ -194,7 +194,7 @@ public class MuteService : INService
                 var config = uow.GuildConfigsForId(usr.Guild.Id,
                     set => set.Include(gc => gc.MutedUsers)
                         .Include(gc => gc.UnmuteTimers));
-                config.MutedUsers.Add(new MutedUserId()
+                config.MutedUsers.Add(new()
                 {
                     UserId = usr.Id
                 });
@@ -327,7 +327,7 @@ public class MuteService : INService
         using (var uow = _db.GetDbContext())
         {
             var config = uow.GuildConfigsForId(user.GuildId, set => set.Include(x => x.UnmuteTimers));
-            config.UnmuteTimers.Add(new UnmuteTimer()
+            config.UnmuteTimers.Add(new()
             {
                 UserId = user.Id,
                 UnmuteAt = DateTime.UtcNow + after,
@@ -344,7 +344,7 @@ public class MuteService : INService
         using (var uow = _db.GetDbContext())
         {
             var config = uow.GuildConfigsForId(guild.Id, set => set.Include(x => x.UnbanTimer));
-            config.UnbanTimer.Add(new UnbanTimer()
+            config.UnbanTimer.Add(new()
             {
                 UserId = user.Id,
                 UnbanAt = DateTime.UtcNow + after,
@@ -361,7 +361,7 @@ public class MuteService : INService
         using (var uow = _db.GetDbContext())
         {
             var config = uow.GuildConfigsForId(user.GuildId, set => set.Include(x => x.UnroleTimer));
-            config.UnroleTimer.Add(new UnroleTimer()
+            config.UnroleTimer.Add(new()
             {
                 UserId = user.Id,
                 UnbanAt = DateTime.UtcNow + after,
@@ -433,7 +433,7 @@ public class MuteService : INService
         }, null, after, Timeout.InfiniteTimeSpan);
 
         //add it, or stop the old one and add this one
-        userUnTimers.AddOrUpdate((userId, type), (key) => toAdd, (key, old) =>
+        userUnTimers.AddOrUpdate((userId, type), key => toAdd, (key, old) =>
         {
             old.Change(Timeout.Infinite, Timeout.Infinite);
             return toAdd;

src/NadekoBot/Modules/Administration/Services/PlayingRotateService.cs

@@ -39,7 +39,7 @@ public sealed class PlayingRotateService : INService
                 .WithProviders(phProviders)
                 .Build();
 
-            _t = new Timer(RotatingStatuses, new TimerState(), TimeSpan.FromMinutes(1), TimeSpan.FromMinutes(1));
+            _t = new(RotatingStatuses, new TimerState(), TimeSpan.FromMinutes(1), TimeSpan.FromMinutes(1));
         }
     }
 

src/NadekoBot/Modules/Administration/Services/ProtectionService.cs

@@ -32,7 +32,7 @@ public class ProtectionService : INService
     private readonly UserPunishService _punishService;
         
     private readonly Channel<PunishQueueItem> PunishUserQueue =
-        System.Threading.Channels.Channel.CreateUnbounded<PunishQueueItem>(new UnboundedChannelOptions()
+        System.Threading.Channels.Channel.CreateUnbounded<PunishQueueItem>(new()
         {
             SingleReader = true,
             SingleWriter = false
@@ -134,11 +134,11 @@ public class ProtectionService : INService
         }
 
         if (spam != null)
-            _antiSpamGuilds[gc.GuildId] = new AntiSpamStats() { AntiSpamSettings = spam };
+            _antiSpamGuilds[gc.GuildId] = new() { AntiSpamSettings = spam };
 
         var alt = gc.AntiAltSetting;
         if (alt is not null)
-            _antiAltGuilds[gc.GuildId] = new AntiAltStats(alt);
+            _antiAltGuilds[gc.GuildId] = new(alt);
     }
 
     private Task HandleUserJoined(SocketGuildUser user)
@@ -154,7 +154,7 @@ public class ProtectionService : INService
 
         _ = Task.Run(async () =>
         {
-            if (maybeAlts is AntiAltStats alts)
+            if (maybeAlts is { } alts)
             {
                 if (user.CreatedAt != default)
                 {
@@ -177,7 +177,7 @@ public class ProtectionService : INService
                 
             try
             {
-                if (!(maybeStats is AntiRaidStats stats) || !stats.RaidUsers.Add(user))
+                if (!(maybeStats is { } stats) || !stats.RaidUsers.Add(user))
                     return;
                     
                 ++stats.UsersCount;
@@ -217,13 +217,13 @@ public class ProtectionService : INService
             try
             {
                 if (!_antiSpamGuilds.TryGetValue(channel.Guild.Id, out var spamSettings) ||
-                    spamSettings.AntiSpamSettings.IgnoredChannels.Contains(new AntiSpamIgnore()
+                    spamSettings.AntiSpamSettings.IgnoredChannels.Contains(new()
                     {
                         ChannelId = channel.Id
                     }))
                     return;
 
-                var stats = spamSettings.UserStats.AddOrUpdate(msg.Author.Id, (id) => new UserSpamStats(msg),
+                var stats = spamSettings.UserStats.AddOrUpdate(msg.Author.Id, id => new(msg),
                     (id, old) =>
                     {
                         old.ApplyNextMessage(msg); return old;
@@ -261,7 +261,7 @@ public class ProtectionService : INService
             
         foreach (var gu in gus)
         {
-            await PunishUserQueue.Writer.WriteAsync(new PunishQueueItem()
+            await PunishUserQueue.Writer.WriteAsync(new()
             {
                 Action = action,
                 Type = pt,
@@ -288,7 +288,7 @@ public class ProtectionService : INService
 
         var stats = new AntiRaidStats()
         {
-            AntiRaidSettings = new AntiRaidSetting()
+            AntiRaidSettings = new()
             {
                 Action = action,
                 Seconds = seconds,
@@ -355,7 +355,7 @@ public class ProtectionService : INService
 
         var stats = new AntiSpamStats
         {
-            AntiSpamSettings = new AntiSpamSetting()
+            AntiSpamSettings = new()
             {
                 Action = action,
                 MessageThreshold = messageCount,
@@ -457,7 +457,7 @@ public class ProtectionService : INService
     {
         using var uow = _db.GetDbContext();
         var gc = uow.GuildConfigsForId(guildId, set => set.Include(x => x.AntiAltSetting));
-        gc.AntiAltSetting = new AntiAltSetting()
+        gc.AntiAltSetting = new()
         {
             Action = action,
             ActionDurationMinutes = actionDurationMinutes,
@@ -466,7 +466,7 @@ public class ProtectionService : INService
         };
 
         await uow.SaveChangesAsync();
-        _antiAltGuilds[guildId] = new AntiAltStats(gc.AntiAltSetting);
+        _antiAltGuilds[guildId] = new(gc.AntiAltSetting);
     }
 
     public async Task<bool> TryStopAntiAlt(ulong guildId)

src/NadekoBot/Modules/Administration/Services/RoleCommandsService.cs

@@ -88,7 +88,7 @@ public class RoleCommandsService : INService
             {
                 var dl = await msg.GetOrDownloadAsync().ConfigureAwait(false);
                 await dl.RemoveReactionAsync(reaction.Emote, dl.Author,
-                    new RequestOptions()
+                    new()
                     {
                         RetryMode = RetryMode.RetryRatelimit | RetryMode.Retry502
                     }).ConfigureAwait(false);

src/NadekoBot/Modules/Administration/Services/SelfAssignedRolesService.cs

@@ -44,7 +44,7 @@ public class SelfAssignedRolesService : INService
                 return false;
             }
 
-            uow.SelfAssignableRoles.Add(new SelfAssignedRole
+            uow.SelfAssignableRoles.Add(new()
             {
                 Group = group,
                 RoleId = role.Id,
@@ -73,7 +73,7 @@ public class SelfAssignedRolesService : INService
         using (var uow = _db.GetDbContext())
         {
             var stats = uow.GetOrCreateUserXpStats(guildUser.Guild.Id, guildUser.Id);
-            userLevelData = new LevelStats(stats.Xp + stats.AwardedXp);
+            userLevelData = new(stats.Xp + stats.AwardedXp);
         }
 
         var (autoDelete, exclusive, roles) = GetAdAndRoles(guildUser.Guild.Id);
@@ -144,7 +144,7 @@ public class SelfAssignedRolesService : INService
             }
             else if (toUpdate is null)
             {
-                gc.SelfAssignableRoleGroupNames.Add(new GroupName
+                gc.SelfAssignableRoleGroupNames.Add(new()
                 {
                     Name = name,
                     Number = group,

src/NadekoBot/Modules/Administration/Services/SelfService.cs

@@ -134,7 +134,7 @@ public sealed class SelfService : ILateExecutor, IReadyExecutor, INService
 
     private Timer TimerFromAutoCommand(AutoCommand x)
     {
-        return new Timer(async (obj) => await ExecuteCommand((AutoCommand) obj).ConfigureAwait(false),
+        return new(async obj => await ExecuteCommand((AutoCommand) obj).ConfigureAwait(false),
             x,
             x.Interval * 1000,
             x.Interval * 1000);

src/NadekoBot/Modules/Administration/Services/UserPunishService.cs

@@ -30,7 +30,7 @@ public class UserPunishService : INService
         _blacklistService = blacklistService;
         _bcs = bcs;
 
-        _warnExpiryTimer = new Timer(async _ =>
+        _warnExpiryTimer = new(async _ =>
         {
             await CheckAllWarnExpiresAsync();
         }, null, TimeSpan.FromSeconds(0), TimeSpan.FromHours(12));
@@ -330,7 +330,7 @@ WHERE GuildId={guildId}
 
             uow.RemoveRange(toDelete);
 
-            ps.Add(new WarningPunishment()
+            ps.Add(new()
             {
                 Count = number,
                 Punishment = punish,
@@ -437,7 +437,7 @@ WHERE GuildId={guildId}
             }
             else if (template is null)
             {
-                uow.BanTemplates.Add(new BanTemplate()
+                uow.BanTemplates.Add(new()
                 {
                     GuildId = guildId,
                     Text = text,

src/NadekoBot/Modules/Administration/Services/VcRoleService.cs

@@ -23,8 +23,8 @@ public class VcRoleService : INService
         _client = client;
 
         _client.UserVoiceStateUpdated += ClientOnUserVoiceStateUpdated;
-        VcRoles = new ConcurrentDictionary<ulong, ConcurrentDictionary<ulong, IRole>>();
-        ToAssign = new ConcurrentDictionary<ulong, ConcurrentQueue<(bool, IGuildUser, IRole)>>();
+        VcRoles = new();
+        ToAssign = new();
         var missingRoles = new ConcurrentBag<VcRoleInfo>();
 
         using (var uow = db.GetDbContext())
@@ -147,7 +147,7 @@ public class VcRoleService : INService
             {
                 uow.Remove(toDelete);
             }
-            conf.VcRoleInfos.Add(new VcRoleInfo()
+            conf.VcRoleInfos.Add(new()
             {
                 VoiceChannelId = vcId,
                 RoleId = role.Id,

src/NadekoBot/Modules/Administration/TimeZoneCommands.cs

@@ -49,7 +49,7 @@ public partial class Administration
                 
                 
             await ctx.SendPaginatedConfirmAsync(page,
-                (curPage) => _eb.Create()
+                curPage => _eb.Create()
                     .WithOkColor()
                     .WithTitle(GetText(strs.timezones_available))
                     .WithDescription(string.Join("\n", timezoneStrings

src/NadekoBot/Modules/Administration/UserPunishCommands.cs

@@ -273,7 +273,7 @@ public partial class Administration
                 return;
             var warnings = _service.WarnlogAll(ctx.Guild.Id);
 
-            await ctx.SendPaginatedConfirmAsync(page, (curPage) =>
+            await ctx.SendPaginatedConfirmAsync(page, curPage =>
             {
                 var ws = warnings.Skip(curPage * 15)
                     .Take(15)
@@ -885,7 +885,7 @@ public partial class Administration
             //do the banning
             await Task.WhenAll(bans
                     .Where(x => x.Id.HasValue)
-                    .Select(x => ctx.Guild.AddBanAsync(x.Id.Value, 7, x.Reason, new RequestOptions()
+                    .Select(x => ctx.Guild.AddBanAsync(x.Id.Value, 7, x.Reason, new()
                     {
                         RetryMode = RetryMode.AlwaysRetry,
                     })))

src/NadekoBot/Modules/CustomReactions/Extensions/CustomReactionExtensions.cs

@@ -74,11 +74,11 @@ public static class CustomReactionExtensions
     private static bool isValidWordDivider(this in ReadOnlySpan<char> str, int index)
     {
         var ch = str[index];
-        if (ch >= 'a' && ch <= 'z')
+        if (ch is >= 'a' and <= 'z')
             return false;
-        if (ch >= 'A' && ch <= 'Z')
+        if (ch is >= 'A' and <= 'Z')
             return false;
-        if (ch >= '1' && ch <= '9')
+        if (ch is >= '1' and <= '9')
             return false;
 
         return true;

src/NadekoBot/Modules/CustomReactions/Services/CustomReactionsService.cs

@@ -278,7 +278,7 @@ public sealed class CustomReactionsService : IEarlyBehavior, IReadyExecutor
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
     public CustomReaction[] GetCustomReactionsFor(ulong? maybeGuildId)
     {
-        if (maybeGuildId is ulong guildId)
+        if (maybeGuildId is { } guildId)
         {
             return _newGuildReactions.TryGetValue(guildId, out var crs)
                 ? crs
@@ -489,7 +489,7 @@ public sealed class CustomReactionsService : IEarlyBehavior, IReadyExecutor
 
     private Task UpdateInternalAsync(ulong? maybeGuildId, CustomReaction cr)
     {
-        if (maybeGuildId is ulong guildId)
+        if (maybeGuildId is { } guildId)
             UpdateInternal(guildId, cr);
         else
             return _pubSub.Pub(_gcrEditedKey, cr);
@@ -499,7 +499,7 @@ public sealed class CustomReactionsService : IEarlyBehavior, IReadyExecutor
 
     private void UpdateInternal(ulong? maybeGuildId, CustomReaction cr)
     {
-        if (maybeGuildId is ulong guildId)
+        if (maybeGuildId is { } guildId)
         {
             _newGuildReactions.AddOrUpdate(guildId, new[] {cr},
                 (key, old) =>
@@ -532,7 +532,7 @@ public sealed class CustomReactionsService : IEarlyBehavior, IReadyExecutor
         // only do this for perf purposes
         cr.Trigger = cr.Trigger.Replace(MentionPh, _client.CurrentUser.Mention);
 
-        if (maybeGuildId is ulong guildId)
+        if (maybeGuildId is { } guildId)
         {
             _newGuildReactions.AddOrUpdate(guildId,
                 new[] {cr},
@@ -548,7 +548,7 @@ public sealed class CustomReactionsService : IEarlyBehavior, IReadyExecutor
         
     private Task DeleteInternalAsync(ulong? maybeGuildId, int id)
     {
-        if (maybeGuildId is ulong guildId)
+        if (maybeGuildId is { } guildId)
         {
             _newGuildReactions.AddOrUpdate(guildId,
                 Array.Empty<CustomReaction>(),

src/NadekoBot/Modules/Gambling/Common/AnimalRacing/AnimalRace.cs

@@ -38,7 +38,7 @@ public sealed class AnimalRace : IDisposable
     {
         this._currency = currency;
         this._options = options;
-        this._animalsQueue = new Queue<RaceAnimal>(availableAnimals);
+        this._animalsQueue = new(availableAnimals);
         this.MaxUsers = _animalsQueue.Count;
 
         if (this._animalsQueue.Count == 0)

src/NadekoBot/Modules/Gambling/Common/BetRoll.cs

@@ -16,7 +16,7 @@ public class Betroll
     public Betroll(BetRollConfig settings)
     {
         _thresholdPairs = settings.Pairs.OrderByDescending(x => x.WhenAbove);
-        _rng = new Random();
+        _rng = new();
     }
 
     public Result Roll()
@@ -26,14 +26,14 @@ public class Betroll
         var pair = _thresholdPairs.FirstOrDefault(x => x.WhenAbove < roll);
         if (pair is null)
         {
-            return new Result
+            return new()
             {
                 Multiplier = 0,
                 Roll = roll,
             };
         }
 
-        return new Result
+        return new()
         {
             Multiplier = pair.MultiplyBy,
             Roll = roll,

src/NadekoBot/Modules/Gambling/Common/Blackjack/Blackjack.cs

@@ -35,7 +35,7 @@ public class Blackjack
     {
         _cs = cs;
         _db = db;
-        Dealer = new Dealer();
+        Dealer = new();
     }
 
     public void Start()
@@ -105,7 +105,7 @@ public class Blackjack
     {
         var pause = Task.Delay(20000); //10 seconds to decide
         CurrentUser = usr;
-        _currentUserMove = new TaskCompletionSource<bool>();
+        _currentUserMove = new();
         await PrintState().ConfigureAwait(false);
         // either wait for the user to make an action and
         // if he doesn't - stand
@@ -134,7 +134,7 @@ public class Blackjack
                 return false;
             }
 
-            Players.Add(new User(user, bet));
+            Players.Add(new(user, bet));
             var _ = PrintState();
             return true;
         }

src/NadekoBot/Modules/Gambling/Common/CurrencyRaffleGame.cs

@@ -45,7 +45,7 @@ public class CurrencyRaffleGame
             _users.First().Amount != amount)
             return false;
 
-        if (!_users.Add(new User
+        if (!_users.Add(new()
             {
                 DiscordUser = usr,
                 Amount = amount,

src/NadekoBot/Modules/Gambling/Common/Deck.cs

@@ -7,15 +7,15 @@ public class QuadDeck : Deck
 {
     protected override void RefillPool()
     {
-        CardPool = new List<Card>(52 * 4);
+        CardPool = new(52 * 4);
         for (var j = 1; j < 14; j++)
         {
             for (var i = 1; i < 5; i++)
             {
-                CardPool.Add(new Card((CardSuit)i, j));
-                CardPool.Add(new Card((CardSuit)i, j));
-                CardPool.Add(new Card((CardSuit)i, j));
-                CardPool.Add(new Card((CardSuit)i, j));
+                CardPool.Add(new((CardSuit)i, j));
+                CardPool.Add(new((CardSuit)i, j));
+                CardPool.Add(new((CardSuit)i, j));
+                CardPool.Add(new((CardSuit)i, j));
             }
         }
     }
@@ -60,7 +60,7 @@ public class Deck
             {
                 var str = string.Empty;
 
-                if (Number <= 10 && Number > 1)
+                if (Number is <= 10 and > 1)
                 {
                     str += "_" + Number;
                 }
@@ -101,7 +101,7 @@ public class Deck
                 throw new ArgumentException("Invalid input", nameof(input));
             }
 
-            return new Card(s, n);
+            return new(s, n);
         }
 
         public string GetEmojiString()
@@ -189,7 +189,7 @@ public class Deck
     /// </summary>
     protected virtual void RefillPool()
     {
-        CardPool = new List<Card>(52);
+        CardPool = new(52);
         //foreach suit
         for (var j = 1; j < 14; j++)
         {
@@ -199,7 +199,7 @@ public class Deck
                 //generate a card of that suit and number and add it to the pool
 
                 // the pool will go from ace of spades,hears,diamonds,clubs all the way to the king of spades. hearts, ...
-                CardPool.Add(new Card((CardSuit)i, j));
+                CardPool.Add(new((CardSuit)i, j));
             }
         }
     }
@@ -256,7 +256,7 @@ public class Deck
                 - cards.Min(card => (int)card.Number) == 4);
             if (toReturn || cards.All(c => c.Number != 1)) return toReturn;
 
-            var newCards = cards.Select(c => c.Number == 1 ? new Card(c.Suit, 14) : c);
+            var newCards = cards.Select(c => c.Number == 1 ? new(c.Suit, 14) : c);
             return (newCards.Max(card => (int)card.Number)
                 - newCards.Min(card => (int)card.Number) == 4);
         }
@@ -281,7 +281,7 @@ public class Deck
 
         bool isStraightFlush(List<Card> cards) => hasStraightFlush(cards) && !isRoyalFlush(cards);
 
-        handValues = new Dictionary<string, Func<List<Card>, bool>>
+        handValues = new()
         {
             { "Royal Flush", isRoyalFlush },
             { "Straight Flush", isStraightFlush },

src/NadekoBot/Modules/Gambling/Common/Events/GameStatusEvent.cs

@@ -54,12 +54,12 @@ public class GameStatusEvent : ICurrencyEvent
         _channel = ch;
         _opts = opt;
         // generate code
-        _code = new string(_sneakyGameStatusChars.Shuffle().Take(5).ToArray());
+        _code = new(_sneakyGameStatusChars.Shuffle().Take(5).ToArray());
 
-        _t = new Timer(OnTimerTick, null, Timeout.InfiniteTimeSpan, TimeSpan.FromSeconds(2));
+        _t = new(OnTimerTick, null, Timeout.InfiniteTimeSpan, TimeSpan.FromSeconds(2));
         if (_opts.Hours > 0)
         {
-            _timeout = new Timer(EventTimeout, null, TimeSpan.FromHours(_opts.Hours), Timeout.InfiniteTimeSpan);
+            _timeout = new(EventTimeout, null, TimeSpan.FromHours(_opts.Hours), Timeout.InfiniteTimeSpan);
         }
     }
 
@@ -92,7 +92,7 @@ public class GameStatusEvent : ICurrencyEvent
                 await _msg.ModifyAsync(m =>
                 {
                     m.Embed = GetEmbed(PotSize).Build();
-                }, new RequestOptions() { RetryMode = RetryMode.AlwaysRetry }).ConfigureAwait(false);
+                }, new() { RetryMode = RetryMode.AlwaysRetry }).ConfigureAwait(false);
             }
 
             Log.Information("Awarded {0} users {1} currency.{2}",
@@ -175,7 +175,7 @@ public class GameStatusEvent : ICurrencyEvent
 
             try
             {
-                await msg.DeleteAsync(new RequestOptions()
+                await msg.DeleteAsync(new()
                 {
                     RetryMode = RetryMode.AlwaysFail
                 });

src/NadekoBot/Modules/Gambling/Common/Events/ReactionEvent.cs

@@ -52,10 +52,10 @@ public class ReactionEvent : ICurrencyEvent
         _opts = opt;
         _config = config;
 
-        _t = new Timer(OnTimerTick, null, Timeout.InfiniteTimeSpan, TimeSpan.FromSeconds(2));
+        _t = new(OnTimerTick, null, Timeout.InfiniteTimeSpan, TimeSpan.FromSeconds(2));
         if (_opts.Hours > 0)
         {
-            _timeout = new Timer(EventTimeout, null, TimeSpan.FromHours(_opts.Hours), Timeout.InfiniteTimeSpan);
+            _timeout = new(EventTimeout, null, TimeSpan.FromHours(_opts.Hours), Timeout.InfiniteTimeSpan);
         }
     }
 
@@ -88,7 +88,7 @@ public class ReactionEvent : ICurrencyEvent
                 await _msg.ModifyAsync(m =>
                 {
                     m.Embed = GetEmbed(PotSize).Build();
-                }, new RequestOptions() { RetryMode = RetryMode.AlwaysRetry }).ConfigureAwait(false);
+                }, new() { RetryMode = RetryMode.AlwaysRetry }).ConfigureAwait(false);
             }
 
             Log.Information("Awarded {0} users {1} currency.{2}",

src/NadekoBot/Modules/Gambling/Common/GamblingConfig.cs

@@ -11,15 +11,15 @@ public sealed partial class GamblingConfig : ICloneable<GamblingConfig>
 {
     public GamblingConfig()
     {
-        BetRoll = new BetRollConfig();
-        WheelOfFortune = new WheelOfFortuneSettings();
-        Waifu = new WaifuConfig();
-        Currency = new CurrencyConfig();
-        BetFlip = new BetFlipConfig();
-        Generation = new GenerationConfig();
-        Timely = new TimelyConfig();
-        Decay = new DecayConfig();
-        Slots = new SlotsConfig();
+        BetRoll = new();
+        WheelOfFortune = new();
+        Waifu = new();
+        Currency = new();
+        BetFlip = new();
+        Generation = new();
+        Timely = new();
+        Decay = new();
+        Slots = new();
     }
 
     [Comment(@"DO NOT CHANGE")]

src/NadekoBot/Modules/Gambling/Common/GamblingTopLevelModule.cs

@@ -13,7 +13,7 @@ public abstract class GamblingModule<TService> : NadekoModule<TService>
         
     protected GamblingModule(GamblingConfigService gambService)
     {
-        _lazyConfig = new Lazy<GamblingConfig>(() => gambService.Data);
+        _lazyConfig = new(() => gambService.Data);
     }
 
     private async Task<bool> InternalCheckBet(long amount)

src/NadekoBot/Modules/Gambling/Common/RollDuelGame.cs

@@ -49,7 +49,7 @@ public class RollDuelGame
         this.Amount = amount;
         _cs = cs;
 
-        _timeoutTimer = new Timer(async delegate
+        _timeoutTimer = new(async delegate
         {
             await _locker.WaitAsync().ConfigureAwait(false);
             try

src/NadekoBot/Modules/Gambling/Common/Slot/SlotGame.cs

@@ -36,6 +36,6 @@ public class SlotGame
         else if (rolls.Any(x => x == 5))
             multi = 1;
 
-        return new Result(multi, rolls);
+        return new(multi, rolls);
     }
 }

src/NadekoBot/Modules/Gambling/Common/WheelOfFortune/WheelOfFortune.cs

@@ -20,7 +20,7 @@ public class WheelOfFortuneGame
 
     public WheelOfFortuneGame(ulong userId, long bet, GamblingConfig config, ICurrencyService cs)
     {
-        _rng = new NadekoRandom();
+        _rng = new();
         _cs = cs;
         _bet = bet;
         _config = config;
@@ -36,7 +36,7 @@ public class WheelOfFortuneGame
         if (amount > 0)
             await _cs.AddAsync(_userId, "Wheel Of Fortune - won", amount, gamble: true).ConfigureAwait(false);
 
-        return new Result
+        return new()
         {
             Index = result,
             Amount = amount,

src/NadekoBot/Modules/Gambling/Connect4/Connect4.cs

@@ -78,7 +78,7 @@ public sealed class Connect4Game : IDisposable
         _options = options;
         _cs = cs;
 
-        _rng = new NadekoRandom();
+        _rng = new();
         for (var i = 0; i < NumberOfColumns * NumberOfRows; i++)
         {
             _gameState[i] = Field.Empty;
@@ -133,7 +133,7 @@ public sealed class Connect4Game : IDisposable
                 _players[1] = (userId, userName);
 
             CurrentPhase = Phase.P1Move; //start the game
-            _playerTimeoutTimer = new Timer(async state =>
+            _playerTimeoutTimer = new(async state =>
             {
                 await _locker.WaitAsync().ConfigureAwait(false);
                 try

src/NadekoBot/Modules/Gambling/DiceRollCommands.cs

@@ -137,7 +137,7 @@ public partial class Gambling
             Match match;
             if ((match = fudgeRegex.Match(arg)).Length != 0 &&
                 int.TryParse(match.Groups["n1"].ToString(), out var n1) &&
-                n1 > 0 && n1 < 500)
+                n1 is > 0 and < 500)
             {
                 var rng = new NadekoRandom();
 

src/NadekoBot/Modules/Gambling/DrawCommands.cs

@@ -31,7 +31,7 @@ public partial class Gambling
             if (num < 1 || num > 10)
                 throw new ArgumentOutOfRangeException(nameof(num));
 
-            var cards = guildId is null ? new Deck() : _allDecks.GetOrAdd(ctx.Guild, (s) => new Deck());
+            var cards = guildId is null ? new() : _allDecks.GetOrAdd(ctx.Guild, s => new());
             var images = new List<Image<Rgba32>>();
             var cardObjects = new List<Deck.Card>();
             for (var i = 0; i < num; i++)
@@ -108,7 +108,7 @@ public partial class Gambling
             //var channel = (ITextChannel)ctx.Channel;
 
             _allDecks.AddOrUpdate(ctx.Guild,
-                (g) => new Deck(),
+                g => new(),
                 (g, c) =>
                 {
                     c.Restart();

src/NadekoBot/Modules/Gambling/PlantAndPickCommands.cs

@@ -105,7 +105,7 @@ public partial class Gambling
                 return Task.CompletedTask;
             var enabledIn = _service.GetAllGeneratingChannels();
 
-            return ctx.SendPaginatedConfirmAsync(page, (cur) =>
+            return ctx.SendPaginatedConfirmAsync(page, cur =>
             {
                 var items = enabledIn.Skip(page * 9).Take(9);
 

src/NadekoBot/Modules/Gambling/Services/CurrencyRaffleService.cs

@@ -34,7 +34,7 @@ public class CurrencyRaffleService : INService
             if (!Games.TryGetValue(channelId, out var crg))
             {
                 newGame = true;
-                crg = new CurrencyRaffleGame(mixed
+                crg = new(mixed
                     ? CurrencyRaffleGame.Type.Mixed
                     : CurrencyRaffleGame.Type.Normal);
                 Games.Add(channelId, crg);

src/NadekoBot/Modules/Gambling/Services/GamblingConfigService.cs

@@ -24,7 +24,7 @@ public sealed class GamblingConfigService : ConfigServiceBase<GamblingConfig>
         AddParsedProp("gen.min", gs => gs.Generation.MinAmount, int.TryParse, ConfigPrinters.ToString, val => val >= 1);
         AddParsedProp("gen.max", gs => gs.Generation.MaxAmount, int.TryParse, ConfigPrinters.ToString, val => val >= 1);
         AddParsedProp("gen.cd", gs => gs.Generation.GenCooldown, int.TryParse, ConfigPrinters.ToString, val => val > 0);
-        AddParsedProp("gen.chance", gs => gs.Generation.Chance, decimal.TryParse, ConfigPrinters.ToString, val => val >= 0 && val <= 1);
+        AddParsedProp("gen.chance", gs => gs.Generation.Chance, decimal.TryParse, ConfigPrinters.ToString, val => val is >= 0 and <= 1);
         AddParsedProp("gen.has_pw", gs => gs.Generation.HasPassword, bool.TryParse, ConfigPrinters.ToString);
         AddParsedProp("bf.multi", gs => gs.BetFlip.Multiplier, decimal.TryParse, ConfigPrinters.ToString, val => val >= 1);
         AddParsedProp("waifu.min_price", gs => gs.Waifu.MinPrice, int.TryParse, ConfigPrinters.ToString, val => val >= 0);
@@ -35,7 +35,7 @@ public sealed class GamblingConfigService : ConfigServiceBase<GamblingConfig>
         AddParsedProp("waifu.multi.all_gifts", gs => gs.Waifu.Multipliers.AllGiftPrices, decimal.TryParse, ConfigPrinters.ToString, val => val > 0);
         AddParsedProp("waifu.multi.gift_effect", gs => gs.Waifu.Multipliers.GiftEffect, decimal.TryParse, ConfigPrinters.ToString, val => val >= 0);
         AddParsedProp("waifu.multi.negative_gift_effect", gs => gs.Waifu.Multipliers.NegativeGiftEffect, decimal.TryParse, ConfigPrinters.ToString, val => val >= 0);
-        AddParsedProp("decay.percent", gs => gs.Decay.Percent, decimal.TryParse, ConfigPrinters.ToString, val => val >= 0 && val <= 1);
+        AddParsedProp("decay.percent", gs => gs.Decay.Percent, decimal.TryParse, ConfigPrinters.ToString, val => val is >= 0 and <= 1);
         AddParsedProp("decay.maxdecay", gs => gs.Decay.MaxDecay, int.TryParse, ConfigPrinters.ToString, val => val >= 0);
         AddParsedProp("decay.threshold", gs => gs.Decay.MinThreshold, int.TryParse, ConfigPrinters.ToString, val => val >= 0);
 

src/NadekoBot/Modules/Gambling/Services/GamblingService.cs

@@ -39,7 +39,7 @@ public class GamblingService : INService
             
         if (_bot.Client.ShardId == 0)
         {
-            _decayTimer = new Timer(_ =>
+            _decayTimer = new(_ =>
             {
                 var config = _gss.Data;
                 var maxDecay = config.Decay.MaxDecay;
@@ -85,7 +85,7 @@ WHERE CurrencyAmount > {config.Decay.MinThreshold} AND UserId!={_client.CurrentU
             
         if (!takeRes)
         {
-            return new SlotResponse
+            return new()
             {
                 Error = GamblingError.NotEnough
             };

src/NadekoBot/Modules/Gambling/Services/PlantPickService.cs

@@ -48,7 +48,7 @@ public class PlantPickService : INService
         _fonts = fonts;
         _cs = cs;
         _cmdHandler = cmdHandler;
-        _rng = new NadekoRandom();
+        _rng = new();
         _client = client;
         _gss = gss;
 
@@ -62,7 +62,7 @@ public class PlantPickService : INService
                 .Where(x => guildIds.Contains(x.GuildId))
                 .ToList();
                 
-            _generationChannels = new ConcurrentHashSet<ulong>(configs
+            _generationChannels = new(configs
                 .SelectMany(c => c.GenerateCurrencyChannelIds.Select(obj => obj.ChannelId)));
         }
     }
@@ -155,7 +155,7 @@ public class PlantPickService : INService
             img.Mutate(x =>
             {
                 // measure the size of the text to be drawing
-                var size = TextMeasurer.Measure(pass, new RendererOptions(font, new PointF(0, 0)));
+                var size = TextMeasurer.Measure(pass, new(font, new PointF(0, 0)));
 
                 // fill the background with black, add 5 pixels on each side to make it look better
                 x.FillPolygon(Color.ParseHex("00000080"),
@@ -168,7 +168,7 @@ public class PlantPickService : INService
                 x.DrawText(pass,
                     font,
                     SixLabors.ImageSharp.Color.White,
-                    new PointF(0, 0));
+                    new(0, 0));
             });
             // return image as a stream for easy sending
             return (img.ToStream(format), format.FileExtensions.FirstOrDefault() ?? "png");
@@ -364,7 +364,7 @@ public class PlantPickService : INService
     {
         using (var uow = _db.GetDbContext())
         {
-            uow.PlantedCurrency.Add(new PlantedCurrency
+            uow.PlantedCurrency.Add(new()
             {
                 Amount = amount,
                 GuildId = gid,

src/NadekoBot/Modules/Gambling/Services/VoteRewardService.cs

@@ -42,7 +42,7 @@ public class VoteRewardService : INService, IReadyExecutor
         if (_client.ShardId != 0)
             return;
             
-        _http = new HttpClient(new HttpClientHandler()
+        _http = new(new HttpClientHandler()
         {
             AllowAutoRedirect = false,
             ServerCertificateCustomValidationCallback = delegate { return true; }

src/NadekoBot/Modules/Gambling/Services/WaifuService.cs

@@ -175,14 +175,14 @@ public class WaifuService : INService
                 }
                 else
                 {
-                    uow.WaifuInfo.Add(w = new WaifuInfo()
+                    uow.WaifuInfo.Add(w = new()
                     {
                         Waifu = waifu,
                         Claimer = claimer,
                         Affinity = null,
                         Price = amount
                     });
-                    uow.WaifuUpdates.Add(new WaifuUpdate()
+                    uow.WaifuUpdates.Add(new()
                     {
                         User = waifu,
                         Old = null,
@@ -205,7 +205,7 @@ public class WaifuService : INService
                     w.Price = amount + (amount / 4);
                     result = WaifuClaimResult.Success;
 
-                    uow.WaifuUpdates.Add(new WaifuUpdate()
+                    uow.WaifuUpdates.Add(new()
                     {
                         User = w.Waifu,
                         Old = oldClaimer,
@@ -227,7 +227,7 @@ public class WaifuService : INService
                     w.Price = amount;
                     result = WaifuClaimResult.Success;
 
-                    uow.WaifuUpdates.Add(new WaifuUpdate()
+                    uow.WaifuUpdates.Add(new()
                     {
                         User = w.Waifu,
                         Old = oldClaimer,
@@ -264,7 +264,7 @@ public class WaifuService : INService
             else if (w is null)
             {
                 var thisUser = uow.GetOrCreateUser(user);
-                uow.WaifuInfo.Add(new WaifuInfo()
+                uow.WaifuInfo.Add(new()
                 {
                     Affinity = newAff,
                     Waifu = thisUser,
@@ -273,7 +273,7 @@ public class WaifuService : INService
                 });
                 success = true;
 
-                uow.WaifuUpdates.Add(new WaifuUpdate()
+                uow.WaifuUpdates.Add(new()
                 {
                     User = thisUser,
                     Old = null,
@@ -288,7 +288,7 @@ public class WaifuService : INService
                 w.Affinity = newAff;
                 success = true;
 
-                uow.WaifuUpdates.Add(new WaifuUpdate()
+                uow.WaifuUpdates.Add(new()
                 {
                     User = w.Waifu,
                     Old = oldAff,
@@ -353,7 +353,7 @@ public class WaifuService : INService
                 var oldClaimer = w.Claimer;
                 w.Claimer = null;
 
-                uow.WaifuUpdates.Add(new WaifuUpdate()
+                uow.WaifuUpdates.Add(new()
                 {
                     User = w.Waifu,
                     Old = oldClaimer,
@@ -382,7 +382,7 @@ public class WaifuService : INService
                     .Include(x => x.Claimer));
             if (w is null)
             {
-                uow.WaifuInfo.Add(w = new WaifuInfo()
+                uow.WaifuInfo.Add(w = new()
                 {
                     Affinity = null,
                     Claimer = null,
@@ -393,7 +393,7 @@ public class WaifuService : INService
 
             if (!itemObj.Negative)
             {
-                w.Items.Add(new WaifuItem()
+                w.Items.Add(new()
                 {
                     Name = itemObj.Name.ToLowerInvariant(),
                     ItemEmoji = itemObj.ItemEmoji,
@@ -428,17 +428,17 @@ public class WaifuService : INService
             var wi = uow.GetWaifuInfo(targetId);
             if (wi is null)
             {
-                wi = new WaifuInfoStats
+                wi = new()
                 {
                     AffinityCount = 0,
                     AffinityName = null,
                     ClaimCount = 0,
                     ClaimerName = null,
-                    Claims = new List<string>(),
-                    Fans = new List<string>(),
+                    Claims = new(),
+                    Fans = new(),
                     DivorceCount = 0,
                     FullName = null,
-                    Items = new List<WaifuItem>(),
+                    Items = new(),
                     Price = 1
                 };
             }

src/NadekoBot/Modules/Gambling/ShopCommands.cs

@@ -49,7 +49,7 @@ public partial class Gambling
                     set => set.Include(x => x.ShopEntries)
                         .ThenInclude(x => x.Items)).ShopEntries
                 .ToIndexed();
-            return ctx.SendPaginatedConfirmAsync(page, (curPage) =>
+            return ctx.SendPaginatedConfirmAsync(page, curPage =>
             {
                 var theseEntries = entries.Skip(curPage * 9).Take(9).ToArray();
 
@@ -261,7 +261,7 @@ public partial class Gambling
                 Price = price,
                 Type = ShopEntryType.List,
                 AuthorId = ctx.User.Id,
-                Items = new HashSet<ShopEntryItem>(),
+                Items = new(),
             };
             using (var uow = _db.GetDbContext())
             {

src/NadekoBot/Modules/Gambling/SlotCommands.cs

@@ -54,13 +54,13 @@ public partial class Gambling
             static readonly List<Func<int[], int>> _winningCombos = new List<Func<int[], int>>()
             {
                 //three flowers
-                (arr) => arr.All(a=>a==MaxValue) ? 30 : 0,
+                arr => arr.All(a=>a==MaxValue) ? 30 : 0,
                 //three of the same
-                (arr) => !arr.Any(a => a != arr[0]) ? 10 : 0,
+                arr => !arr.Any(a => a != arr[0]) ? 10 : 0,
                 //two flowers
-                (arr) => arr.Count(a => a == MaxValue) == 2 ? 4 : 0,
+                arr => arr.Count(a => a == MaxValue) == 2 ? 4 : 0,
                 //one flower
-                (arr) => arr.Any(a => a == MaxValue) ? 1 : 0,
+                arr => arr.Any(a => a == MaxValue) ? 1 : 0,
             };
 
             public static SlotResult Pull()
@@ -78,7 +78,7 @@ public partial class Gambling
                         break;
                 }
 
-                return new SlotResult(numbers, multi);
+                return new(numbers, multi);
             }
 
             public struct SlotResult
@@ -186,40 +186,40 @@ public partial class Gambling
 
                     Color fontColor = _config.Slots.CurrencyFontColor;
                        
-                    bgImage.Mutate(x => x.DrawText(new TextGraphicsOptions
+                    bgImage.Mutate(x => x.DrawText(new()
                         {
-                            TextOptions = new TextOptions()
+                            TextOptions = new()
                             {
                                 HorizontalAlignment = HorizontalAlignment.Center,
                                 VerticalAlignment = VerticalAlignment.Center,
                                 WrapTextWidth = 140,
                             }
                         }, result.Won.ToString(), _fonts.DottyFont.CreateFont(65), fontColor,
-                        new PointF(227, 92)));
+                        new(227, 92)));
 
                     var bottomFont = _fonts.DottyFont.CreateFont(50);
                        
-                    bgImage.Mutate(x => x.DrawText(new TextGraphicsOptions
+                    bgImage.Mutate(x => x.DrawText(new()
                         {
-                            TextOptions = new TextOptions()
+                            TextOptions = new()
                             {
                                 HorizontalAlignment = HorizontalAlignment.Center,
                                 VerticalAlignment = VerticalAlignment.Center,
                                 WrapTextWidth = 135,
                             }
                         }, amount.ToString(), bottomFont, fontColor,
-                        new PointF(129, 472)));
+                        new(129, 472)));
 
-                    bgImage.Mutate(x => x.DrawText(new TextGraphicsOptions
+                    bgImage.Mutate(x => x.DrawText(new()
                         {
-                            TextOptions = new TextOptions()
+                            TextOptions = new()
                             {
                                 HorizontalAlignment = HorizontalAlignment.Center,
                                 VerticalAlignment = VerticalAlignment.Center,
                                 WrapTextWidth = 135,
                             }
                         }, ownedAmount.ToString(), bottomFont, fontColor,
-                        new PointF(325, 472)));
+                        new(325, 472)));
                     //sw.PrintLap("drew red text");
 
                     for (var i = 0; i < 3; i++)

src/NadekoBot/Modules/Gambling/WaifuClaimCommands.cs

@@ -308,7 +308,7 @@ public partial class Gambling
                 return;
 
             var waifuItems = _service.GetWaifuItems();
-            await ctx.SendPaginatedConfirmAsync(page, (cur) =>
+            await ctx.SendPaginatedConfirmAsync(page, cur =>
             {
                 var embed = _eb.Create()
                     .WithTitle(GetText(strs.waifu_gift_shop))

src/NadekoBot/Modules/Games/CleverBotCommands.cs

@@ -41,7 +41,7 @@ public partial class Games
                 return;
             }
 
-            _service.ChatterBotGuilds.TryAdd(channel.Guild.Id, new Lazy<IChatterBotSession>(() => _service.CreateSession(), true));
+            _service.ChatterBotGuilds.TryAdd(channel.Guild.Id, new(() => _service.CreateSession(), true));
 
             using (var uow = _db.GetDbContext())
             {

src/NadekoBot/Modules/Games/Common/Acrophobia/Acrophobia.cs

@@ -60,7 +60,7 @@ public sealed class AcrophobiaGame : IDisposable
     public AcrophobiaGame(Options options)
     {
         Opts = options;
-        _rng = new NadekoRandom();
+        _rng = new();
         InitializeStartingLetters();
     }
 

src/NadekoBot/Modules/Games/Common/ChatterBot/OfficialCleverbotSession.cs

@@ -60,7 +60,7 @@ public class CleverbotIOSession : IChatterBotSession
         this._user = user;
         this._httpFactory = factory;
 
-        _nick = new AsyncLazy<string>((Func<Task<string>>)GetNick);
+        _nick = new((Func<Task<string>>)GetNick);
     }
 
     private async Task<string> GetNick()

src/NadekoBot/Modules/Games/Common/GirlRating.cs

@@ -30,7 +30,7 @@ public class GirlRating
         Advice = advice; // convenient to have it here, even though atm there are only few different ones.
         _httpFactory = factory;
             
-        Stream = new AsyncLazy<Stream>(() =>
+        Stream = new(() =>
         {
             try
             {
@@ -45,7 +45,7 @@ public class GirlRating
 
                     using (var pointImg = Image.Load(_images.RategirlDot))
                     {
-                        img.Mutate(x => x.DrawImage(pointImg, new Point(pointx - 10, pointy - 10), new GraphicsOptions()));
+                        img.Mutate(x => x.DrawImage(pointImg, new(pointx - 10, pointy - 10), new GraphicsOptions()));
                     }
 
                     var imgStream = new MemoryStream();

src/NadekoBot/Modules/Games/Common/Nunchi/Nunchi.cs

@@ -67,7 +67,7 @@ public sealed class NunchiGame : IDisposable
                 return false;
             }
 
-            _killTimer = new Timer(async state =>
+            _killTimer = new(async state =>
             {
                 await _locker.WaitAsync().ConfigureAwait(false);
                 try

src/NadekoBot/Modules/Games/Common/PollRunner.cs

@@ -43,7 +43,7 @@ public class PollRunner
             if (usr is null)
                 return false;
 
-            voteObj = new PollVote()
+            voteObj = new()
             {
                 UserId = msg.Author.Id,
                 VoteIndex = vote,

src/NadekoBot/Modules/Games/Common/TicTacToe.cs

@@ -68,7 +68,7 @@ public class TicTacToe
         };
 
         _phase = Phase.Starting;
-        _moveLock = new SemaphoreSlim(1, 1);
+        _moveLock = new(1, 1);
     }
 
     private string GetText(LocStr key)
@@ -149,7 +149,7 @@ public class TicTacToe
 
         _phase = Phase.Started;
 
-        _timeoutTimer = new Timer(async (_) =>
+        _timeoutTimer = new(async _ =>
         {
             await _moveLock.WaitAsync().ConfigureAwait(false);
             try

src/NadekoBot/Modules/Games/Common/Trivia/TriviaGame.cs

@@ -43,7 +43,7 @@ public class TriviaGame
         TriviaOptions options, string quitCommand, IEmbedBuilderService eb)
     {
         _cache = cache;
-        _questionPool = new TriviaQuestionPool(_cache);
+        _questionPool = new(_cache);
         _strings = strings;
         _client = client;
         _config = config;
@@ -65,7 +65,7 @@ public class TriviaGame
         while (!ShouldStopGame)
         {
             // reset the cancellation source    
-            _triviaCancelSource = new CancellationTokenSource();
+            _triviaCancelSource = new();
             showHowToQuit = !showHowToQuit;
 
             // load question

src/NadekoBot/Modules/Games/Common/Trivia/TriviaQuestionPool.cs

@@ -28,7 +28,7 @@ public class TriviaQuestionPool
         if (isPokemon)
         {
             var num = _rng.Next(1, maxPokemonId + 1);
-            return new TriviaQuestion("Who's That Pokémon?",
+            return new("Who's That Pokémon?",
                 Map[num].ToTitleCase(),
                 "Pokemon",
                 $@"https://nadeko.bot/images/pokemon/shadows/{num}.png",

src/NadekoBot/Modules/Games/Common/TypingGame.cs

@@ -47,8 +47,8 @@ public class TypingGame
 
         this.Channel = channel;
         IsActive = false;
-        sw = new Stopwatch();
-        finishedUserIds = new List<ulong>();
+        sw = new();
+        finishedUserIds = new();
     }
 
     public async Task<bool> Stop()
@@ -85,7 +85,7 @@ public class TypingGame
 
             var time = _options.StartTime;
 
-            var msg = await Channel.SendMessageAsync($"Starting new typing contest in **{time}**...", options: new RequestOptions()
+            var msg = await Channel.SendMessageAsync($"Starting new typing contest in **{time}**...", options: new()
             {
                 RetryMode = RetryMode.AlwaysRetry
             }).ConfigureAwait(false);

src/NadekoBot/Modules/Games/Games.cs

@@ -145,7 +145,7 @@ public partial class Games : NadekoModule<GamesService>
             advice = ratings.Uni;
         }
 
-        return new GirlRating(_images, _httpFactory, crazy, hot, roll, advice);
+        return new(_images, _httpFactory, crazy, hot, roll, advice);
     }
 
     [NadekoCommand, Aliases]

src/NadekoBot/Modules/Games/Services/ChatterbotService.cs

@@ -38,7 +38,7 @@ public class ChatterBotService : IEarlyBehavior
         _eb = eb;
         _httpFactory = factory;
 
-        ChatterBotGuilds = new ConcurrentDictionary<ulong, Lazy<IChatterBotSession>>(
+        ChatterBotGuilds = new(
             bot.AllGuildConfigs
                 .Where(gc => gc.CleverbotEnabled)
                 .ToDictionary(gc => gc.GuildId, gc => new Lazy<IChatterBotSession>(() => CreateSession(), true)));

src/NadekoBot/Modules/Games/Services/GamesConfigService.cs

@@ -31,7 +31,7 @@ public sealed class GamesConfigService : ConfigServiceBase<GamesConfig>
             ModifyConfig(c =>
             {
                 c.Version = 1;
-                c.Hangman = new HangmanConfig()
+                c.Hangman = new()
                 {
                     CurrencyReward = 0
                 };

src/NadekoBot/Modules/Games/Services/GamesService.cs

@@ -62,11 +62,11 @@ public class GamesService : INService
             SizeLimit = 500_000
         });
 
-        Ratings = new AsyncLazy<RatingTexts>(GetRatingTexts);
+        Ratings = new(GetRatingTexts);
         _rng = new NadekoRandom();
 
         //girl ratings
-        _t = new Timer((_) =>
+        _t = new(_ =>
         {
             GirlRatings.Clear();
 
@@ -79,7 +79,7 @@ public class GamesService : INService
         catch (Exception ex)
         {
             Log.Warning("Error while loading typing articles {0}", ex.ToString());
-            TypingArticles = new List<TypingArticle>();
+            TypingArticles = new();
         }
     }
 
@@ -94,7 +94,7 @@ public class GamesService : INService
 
     public void AddTypingArticle(IUser user, string text)
     {
-        TypingArticles.Add(new TypingArticle
+        TypingArticles.Add(new()
         {
             Source = user.ToString(),
             Extra = $"Text added on {DateTime.UtcNow} by {user}.",

src/NadekoBot/Modules/Games/Services/PollService.cs

@@ -51,13 +51,13 @@ public class PollService : IEarlyBehavior
         var col = new IndexedCollection<PollAnswer>(data.Skip(1)
             .Select(x => new PollAnswer() { Text = x }));
 
-        return new Poll()
+        return new()
         {
             Answers = col,
             Question = data[0],
             ChannelId = channelId,
             GuildId = guildId,
-            Votes = new System.Collections.Generic.HashSet<PollVote>()
+            Votes = new()
         };
     }
 

src/NadekoBot/Modules/Games/SpeedTypingCommands.cs

@@ -32,7 +32,7 @@ public partial class Games
             var (options, _) = OptionsParser.ParseFrom(new TypingGame.Options(), args);
             var channel = (ITextChannel)ctx.Channel;
 
-            var game = _service.RunningContests.GetOrAdd(ctx.Guild.Id, id => new TypingGame(_games, _client, channel, Prefix, options, _eb));
+            var game = _service.RunningContests.GetOrAdd(ctx.Guild.Id, id => new(_games, _client, channel, Prefix, options, _eb));
 
             if (game.IsActive)
             {

src/NadekoBot/Modules/Games/TicTacToeCommands.cs

@@ -42,11 +42,11 @@ public partial class Games
                     });
                     return;
                 }
-                game = new TicTacToe(base.Strings, this._client, channel, (IGuildUser)ctx.User, options, _eb);
+                game = new(base.Strings, this._client, channel, (IGuildUser)ctx.User, options, _eb);
                 _service.TicTacToeGames.Add(channel.Id, game);
                 await ReplyConfirmLocalizedAsync(strs.ttt_created).ConfigureAwait(false);
 
-                game.OnEnded += (g) =>
+                game.OnEnded += g =>
                 {
                     _service.TicTacToeGames.Remove(channel.Id);
                     _sem.Dispose();

src/NadekoBot/Modules/Help/Help.cs

@@ -42,7 +42,7 @@ public class Help : NadekoModule<HelpService>
         _client = client;
         _strings = strings;
 
-        _lazyClientId = new AsyncLazy<ulong>(async () => (await _client.GetApplicationInfoAsync()).Id);
+        _lazyClientId = new(async () => (await _client.GetApplicationInfoAsync()).Id);
     }
 
     public async Task<SmartText> GetHelpString()
@@ -196,7 +196,7 @@ public class Help : NadekoModule<HelpService>
         var succ = new HashSet<CommandInfo>();
         if (opts.View != CommandsOptions.ViewType.All)
         {
-            succ = new HashSet<CommandInfo>((await Task.WhenAll(cmds.Select(async x =>
+            succ = new((await Task.WhenAll(cmds.Select(async x =>
                 {
                     var pre = (await x.CheckPreconditionsAsync(Context, _services).ConfigureAwait(false));
                     return (Cmd: x, Succ: pre.IsSuccess);
@@ -360,7 +360,7 @@ public class Help : NadekoModule<HelpService>
             var config = new AmazonS3Config {ServiceURL = serviceUrl};
                 
             using var dlClient = new AmazonS3Client(accessKey, secretAcccessKey, config);
-            var oldVersionObject = await dlClient.GetObjectAsync(new GetObjectRequest()
+            var oldVersionObject = await dlClient.GetObjectAsync(new()
             {
                 BucketName = "nadeko-pictures",
                 Key = "cmds/versions.json",
@@ -368,7 +368,7 @@ public class Help : NadekoModule<HelpService>
                 
             using (var client = new AmazonS3Client(accessKey, secretAcccessKey, config))
             {
-                await client.PutObjectAsync(new PutObjectRequest()
+                await client.PutObjectAsync(new()
                 {
                     BucketName = "nadeko-pictures",
                     ContentType = "application/json",
@@ -397,7 +397,7 @@ public class Help : NadekoModule<HelpService>
                     
                 // upload the updated version list
                 using var client = new AmazonS3Client(accessKey, secretAcccessKey, config);
-                await client.PutObjectAsync(new PutObjectRequest()
+                await client.PutObjectAsync(new()
                 {
                     BucketName = "nadeko-pictures",
                     ContentType = "application/json",

src/NadekoBot/Modules/Help/Services/HelpService.cs

@@ -138,9 +138,9 @@ public class HelpService : ILateExecutor, INService
         var userPermString = string.Empty;
         if (userPerm is not null)
         {
-            if (userPerm.UserPermissionAttribute.ChannelPermission is ChannelPermission cPerm)
+            if (userPerm.UserPermissionAttribute.ChannelPermission is { } cPerm)
                 userPermString = GetPreconditionString((ChannelPerm) cPerm);
-            if (userPerm.UserPermissionAttribute.GuildPermission is GuildPermission gPerm)
+            if (userPerm.UserPermissionAttribute.GuildPermission is { } gPerm)
                 userPermString = GetPreconditionString((GuildPerm) gPerm);
         }
 

src/NadekoBot/Modules/Music/Common/Impl/MusicPlayer.cs

@@ -57,7 +57,7 @@ public sealed class MusicPlayer : IMusicPlayer
             
         _songBuffer = new PoopyBufferImmortalized(_vc.InputLength);
 
-        _thread = new Thread(async () =>
+        _thread = new(async () =>
         {
             await PlayLoop();
         });
@@ -67,28 +67,28 @@ public sealed class MusicPlayer : IMusicPlayer
     private static VoiceClient GetVoiceClient(QualityPreset qualityPreset)
         => qualityPreset switch
         {
-            QualityPreset.Highest => new VoiceClient(
+            QualityPreset.Highest => new(
                 SampleRate._48k,
                 Bitrate._192k,
                 Channels.Two,
                 FrameDelay.Delay20,
                 BitDepthEnum.Float32
             ),
-            QualityPreset.High => new VoiceClient(
+            QualityPreset.High => new(
                 SampleRate._48k,
                 Bitrate._128k,
                 Channels.Two,
                 FrameDelay.Delay40,
                 BitDepthEnum.Float32
             ),
-            QualityPreset.Medium => new VoiceClient(
+            QualityPreset.Medium => new(
                 SampleRate._48k,
                 Bitrate._96k,
                 Channels.Two,
                 FrameDelay.Delay40,
                 BitDepthEnum.UInt16
             ),
-            QualityPreset.Low => new VoiceClient(
+            QualityPreset.Low => new(
                 SampleRate._48k,
                 Bitrate._64k,
                 Channels.Two,
@@ -315,7 +315,7 @@ public sealed class MusicPlayer : IMusicPlayer
 
     private void HandleQueuePostTrack()
     {
-        if (_forceIndex is int forceIndex)
+        if (_forceIndex is { } forceIndex)
         {
             _queue.SetIndex(forceIndex);
             _forceIndex = null;

src/NadekoBot/Modules/Music/Common/Impl/MusicQueue.cs

@@ -62,7 +62,7 @@ public sealed partial class MusicQueue : IMusicQueue
     public MusicQueue()
     {
         _index = 0;
-        _tracks = new LinkedList<QueuedTrackInfo>();
+        _tracks = new();
     }
 
     public IQueuedTrackInfo Enqueue(ITrackInfo trackInfo, string queuer, out int index)
@@ -283,7 +283,7 @@ public sealed partial class MusicQueue : IMusicQueue
                     _index = i;
             }
 
-            _tracks = new LinkedList<QueuedTrackInfo>(list);
+            _tracks = new(list);
         }
     }
 

src/NadekoBot/Modules/Music/Common/Impl/VoiceProxy.cs

@@ -81,7 +81,7 @@ public sealed class VoiceProxy : IVoiceProxy
                 await Task.Delay(DELAY_ON_ERROR_MILISECONDS);
                 Log.Debug(ex, "Error performing proxy gateway action");
             }
-        } while (errorCount > 0 && errorCount <= MAX_ERROR_COUNT);
+        } while (errorCount is > 0 and <= MAX_ERROR_COUNT);
 
         return State != VoiceProxyState.Stopped && errorCount <= MAX_ERROR_COUNT;
     }
@@ -93,12 +93,12 @@ public sealed class VoiceProxy : IVoiceProxy
 
     public Task StartSpeakingAsync()
     {
-        return RunGatewayAction((gw) => gw.SendSpeakingAsync(VoiceSpeaking.State.Microphone));
+        return RunGatewayAction(gw => gw.SendSpeakingAsync(VoiceSpeaking.State.Microphone));
     }
 
     public Task StopSpeakingAsync()
     {
-        return RunGatewayAction((gw) => gw.SendSpeakingAsync(VoiceSpeaking.State.None));
+        return RunGatewayAction(gw => gw.SendSpeakingAsync(VoiceSpeaking.State.None));
     }
 
     public async Task StartGateway()
@@ -108,7 +108,7 @@ public sealed class VoiceProxy : IVoiceProxy
 
     public Task StopGateway()
     {
-        if(_gateway is VoiceGateway gw)
+        if(_gateway is { } gw)
             return gw.StopAsync();
 
         return Task.CompletedTask;

src/NadekoBot/Modules/Music/Common/Resolvers/LocalTrackResolver.cs

@@ -37,7 +37,7 @@ public sealed class LocalTrackResolver : ILocalTrackResolver
         DirectoryInfo dir;
         try
         {
-            dir = new DirectoryInfo(dirPath);
+            dir = new(dirPath);
         }
         catch (Exception ex)
         {

src/NadekoBot/Modules/Music/Common/Resolvers/YtdlYoutubeResolver.cs

@@ -32,46 +32,46 @@ public sealed class YtdlYoutubeResolver : IYoutubeResolver
         _google = google;
 
         _ytdlPlaylistOperation = 
-            new YtdlOperation("-4 " +
-                              "--geo-bypass " +
-                              "--encoding UTF8 " +
-                              "-f bestaudio " +
-                              "-e " +
-                              "--get-url " +
-                              "--get-id " +
-                              "--get-thumbnail " +
-                              "--get-duration " +
-                              "--no-check-certificate " +
-                              "-i " +
-                              "--yes-playlist " +
-                              "-- \"{0}\"");
+            new("-4 " +
+                "--geo-bypass " +
+                "--encoding UTF8 " +
+                "-f bestaudio " +
+                "-e " +
+                "--get-url " +
+                "--get-id " +
+                "--get-thumbnail " +
+                "--get-duration " +
+                "--no-check-certificate " +
+                "-i " +
+                "--yes-playlist " +
+                "-- \"{0}\"");
 
         _ytdlIdOperation = 
-            new YtdlOperation("-4 " +
-                              "--geo-bypass " +
-                              "--encoding UTF8 " +
-                              "-f bestaudio " +
-                              "-e " +
-                              "--get-url " +
-                              "--get-id " +
-                              "--get-thumbnail " +
-                              "--get-duration " +
-                              "--no-check-certificate " +
-                              "-- \"{0}\"");
+            new("-4 " +
+                "--geo-bypass " +
+                "--encoding UTF8 " +
+                "-f bestaudio " +
+                "-e " +
+                "--get-url " +
+                "--get-id " +
+                "--get-thumbnail " +
+                "--get-duration " +
+                "--no-check-certificate " +
+                "-- \"{0}\"");
             
         _ytdlSearchOperation = 
-            new YtdlOperation("-4 " +
-                              "--geo-bypass " +
-                              "--encoding UTF8 " +
-                              "-f bestaudio " +
-                              "-e " +
-                              "--get-url " +
-                              "--get-id " +
-                              "--get-thumbnail " +
-                              "--get-duration " +
-                              "--no-check-certificate " +
-                              "--default-search " +
-                              "\"ytsearch:\" -- \"{0}\"");
+            new("-4 " +
+                "--geo-bypass " +
+                "--encoding UTF8 " +
+                "-f bestaudio " +
+                "-e " +
+                "--get-url " +
+                "--get-id " +
+                "--get-thumbnail " +
+                "--get-duration " +
+                "--no-check-certificate " +
+                "--default-search " +
+                "\"ytsearch:\" -- \"{0}\"");
     }
 
     private readonly struct YtTrackData
@@ -114,7 +114,7 @@ public sealed class YtdlYoutubeResolver : IYoutubeResolver
             ? dataArray[3].Trim()
             : string.Empty;
 
-        return new YtTrackData(
+        return new(
             dataArray[0],
             dataArray[1],
             thumbnail,
@@ -190,7 +190,7 @@ public sealed class YtdlYoutubeResolver : IYoutubeResolver
             return toReturn;
         }
 
-        return DataToInfo(new YtTrackData(
+        return DataToInfo(new(
             cachedData.Title,
             cachedData.Id,
             cachedData.Thumbnail,
@@ -337,7 +337,7 @@ public sealed class YtdlYoutubeResolver : IYoutubeResolver
             return trackInfo;
         }
             
-        return DataToInfo(new YtTrackData(
+        return DataToInfo(new(
             cachedData.Title,
             cachedData.Id,
             cachedData.Thumbnail,

src/NadekoBot/Modules/Music/PlaylistCommands.cs

@@ -110,7 +110,7 @@ public sealed partial class Music
                 mpl = uow.MusicPlaylists.GetWithSongs(id);
             }
 
-            await ctx.SendPaginatedConfirmAsync(page, (cur) =>
+            await ctx.SendPaginatedConfirmAsync(page, cur =>
             {
                 var i = 0;
                 var str = string.Join("\n", mpl.Songs
@@ -146,7 +146,7 @@ public sealed partial class Music
             MusicPlaylist playlist;
             using (var uow = _db.GetDbContext())
             {
-                playlist = new MusicPlaylist
+                playlist = new()
                 {
                     Name = name,
                     Author = ctx.User.Username,

src/NadekoBot/Modules/Music/Services/AyuVoiceStateService.cs

@@ -180,7 +180,7 @@ public sealed class AyuVoiceStateService : INService
 
             var current = _voiceProxies.AddOrUpdate(
                 guildId,
-                (gid) => new VoiceProxy(CreateVoiceGatewayLocal()),
+                gid => new VoiceProxy(CreateVoiceGatewayLocal()),
                 (gid, currentProxy) =>
                 {
                     _ = currentProxy.StopGateway();

src/NadekoBot/Modules/Music/Services/MusicService.cs

@@ -46,9 +46,9 @@ public sealed class MusicService : IMusicService
         _ytLoader = ytLoader;
         _eb = eb;
 
-        _players = new ConcurrentDictionary<ulong, IMusicPlayer>();
+        _players = new();
         _outputChannels = new ConcurrentDictionary<ulong, (ITextChannel, ITextChannel?)>();
-        _settings = new ConcurrentDictionary<ulong, MusicPlayerSettings>();
+        _settings = new();
             
         _client.LeftGuild += ClientOnLeftGuild;
     }
@@ -149,7 +149,7 @@ public sealed class MusicService : IMusicService
         var settings = await GetSettingsInternalAsync(guildId);
 
         ITextChannel? overrideChannel = null;
-        if (settings.MusicChannelId is ulong channelId)
+        if (settings.MusicChannelId is { } channelId)
         {
             overrideChannel = _client.GetGuild(guildId)?.GetTextChannel(channelId);
 
@@ -170,7 +170,7 @@ public sealed class MusicService : IMusicService
             
         mp.SetRepeat(settings.PlayerRepeat);
 
-        if (settings.Volume >= 0 && settings.Volume <= 100)
+        if (settings.Volume is >= 0 and <= 100)
         {
             mp.SetVolume(settings.Volume);
         }
@@ -226,7 +226,7 @@ public sealed class MusicService : IMusicService
     }
 
     private Func<IMusicPlayer, Task> OnQueueStopped(ulong guildId)
-        => (mp) =>
+        => mp =>
         {
             if (_settings.TryGetValue(guildId, out var settings))
             {

src/NadekoBot/Modules/Nsfw/Common/Rule34Object.cs

@@ -9,7 +9,7 @@ public class Rule34Object : IImageData
 
     public ImageData ToCachedImageData(Booru type)
     {
-        return new ImageData(
+        return new(
             $"https://img.rule34.xxx//images/{Directory}/{Image}",
             Booru.Rule34,
             Tags.Split(' '),

src/NadekoBot/Modules/Nsfw/Nsfw.cs

@@ -22,7 +22,7 @@ public class NSFW : NadekoModule<ISearchImagesService>
     public NSFW(IHttpClientFactory factory)
     {
         _httpFactory = factory;
-        _rng = new NadekoRandom();
+        _rng = new();
     }
 
     private async Task InternalBoobs()
@@ -85,7 +85,7 @@ public class NSFW : NadekoModule<ISearchImagesService>
         if (interval < 20)
             return;
 
-        t = new Timer(async (state) =>
+        t = new(async state =>
         {
             try
             {
@@ -135,7 +135,7 @@ public class NSFW : NadekoModule<ISearchImagesService>
         if (interval < 20)
             return;
 
-        t = new Timer(async (state) =>
+        t = new(async state =>
         {
             try
             {
@@ -175,7 +175,7 @@ public class NSFW : NadekoModule<ISearchImagesService>
         if (interval < 20)
             return;
 
-        t = new Timer(async (state) =>
+        t = new(async state =>
         {
             try
             {

src/NadekoBot/Modules/Nsfw/SearchImageCacher.cs

@@ -12,7 +12,6 @@ namespace NadekoBot.Modules.Nsfw.Common;
 public class SearchImageCacher : INService
 {
     private readonly IHttpClientFactory _httpFactory;
-    private readonly SemaphoreSlim _lock = new SemaphoreSlim(1, 1);
     private readonly Random _rng;
 
     private static readonly ISet<string> defaultTagBlacklist = new HashSet<string>()

src/NadekoBot/Modules/Nsfw/SearchImagesService.cs

@@ -76,7 +76,7 @@ public class SearchImagesService : ISearchImagesService, INService
     {
         if (!tags.All(x => IsValidTag(x)))
         {
-            return new UrlReply
+            return new()
             {
                 Error = "One or more tags are invalid.",
                 Url = ""
@@ -106,7 +106,7 @@ public class SearchImagesService : ISearchImagesService, INService
 
             if (result is null)
             {
-                return new UrlReply
+                return new()
                 {
                     Error = "Image not found.",
                     Url = ""
@@ -129,7 +129,7 @@ public class SearchImagesService : ISearchImagesService, INService
         catch (Exception ex)
         {
             Log.Error(ex, "Failed getting {Dapi} image: {Message}", dapi, ex.Message);
-            return new UrlReply
+            return new()
             {
                 Error = ex.Message,
                 Url = ""
@@ -198,7 +198,7 @@ public class SearchImagesService : ISearchImagesService, INService
         while (tasks.Count > 0); // keep looping as long as there is any task remaining to be attempted
 
         // if we ran out of tasks, that means all tasks failed - return an error
-        return new UrlReply()
+        return new()
         {
             Error = "No hentai image found."
         };
@@ -210,7 +210,7 @@ public class SearchImagesService : ISearchImagesService, INService
         {
             JToken obj;
             obj = JArray.Parse(await _http.GetStringAsync($"http://api.oboobs.ru/boobs/{_rng.Next(0, 12000)}").ConfigureAwait(false))[0];
-            return new UrlReply
+            return new()
             {
                 Error = "",
                 Url = $"http://media.oboobs.ru/{obj["preview"]}",
@@ -219,7 +219,7 @@ public class SearchImagesService : ISearchImagesService, INService
         catch (Exception ex)
         {
             Log.Error(ex, "Error retreiving boob image: {Message}", ex.Message);
-            return new UrlReply
+            return new()
             {
                 Error = ex.Message,
                 Url = "",
@@ -245,7 +245,7 @@ public class SearchImagesService : ISearchImagesService, INService
             }
             else
             {
-                uow.NsfwBlacklistedTags.Add(new NsfwBlacklistedTag()
+                uow.NsfwBlacklistedTags.Add(new()
                 {
                     Tag = tag,
                     GuildId = guildId
@@ -278,7 +278,7 @@ public class SearchImagesService : ISearchImagesService, INService
         {
             JToken obj;
             obj = JArray.Parse(await _http.GetStringAsync($"http://api.obutts.ru/butts/{_rng.Next(0, 6100)}"))[0];
-            return new UrlReply
+            return new()
             {
                 Error = "",
                 Url = $"http://media.obutts.ru/{obj["preview"]}",
@@ -287,7 +287,7 @@ public class SearchImagesService : ISearchImagesService, INService
         catch (Exception ex)
         {
             Log.Error(ex, "Error retreiving butt image: {Message}", ex.Message);
-            return new UrlReply
+            return new()
             {
                 Error = ex.Message,
                 Url = "",
@@ -311,7 +311,7 @@ public class SearchImagesService : ISearchImagesService, INService
                         + GetNhentaiExtensionInternal(model.Images.Thumbnail.T);
 
         var url = $"https://nhentai.net/g/{model.Id}";
-        return new Gallery(
+        return new(
             model.Id.ToString(),
             url,
             model.Title.English,

src/NadekoBot/Modules/Permissions/FilterCommands.cs

@@ -247,7 +247,7 @@ public partial class Permissions
                 removed = config.FilteredWords.FirstOrDefault(fw => fw.Word.Trim().ToLowerInvariant() == word);
 
                 if (removed is null)
-                    config.FilteredWords.Add(new FilteredWord() { Word = word });
+                    config.FilteredWords.Add(new() { Word = word });
                 else
                 {
                     uow.Remove(removed);
@@ -285,7 +285,7 @@ public partial class Permissions
             var fws = fwHash.ToArray();
 
             await ctx.SendPaginatedConfirmAsync(page,
-                (curPage) => _eb.Create()
+                curPage => _eb.Create()
                     .WithTitle(GetText(strs.filter_word_list))
                     .WithDescription(string.Join("\n", fws.Skip(curPage * 10).Take(10)))
                     .WithOkColor()

src/NadekoBot/Modules/Permissions/Permissions.cs

@@ -29,7 +29,7 @@ public partial class Permissions : NadekoModule<PermissionService>
         using (var uow = _db.GetDbContext())
         {
             var config = uow.GcWithPermissionsv2For(ctx.Guild.Id);
-            if (action is null) action = new PermissionAction(!config.VerbosePermissions); // New behaviour, can toggle.
+            if (action is null) action = new(!config.VerbosePermissions); // New behaviour, can toggle.
             config.VerbosePermissions = action.Value;
             await uow.SaveChangesAsync();
             _service.UpdateCache(config);

src/NadekoBot/Modules/Permissions/Services/CmdCdService.cs

@@ -18,7 +18,7 @@ public class CmdCdService : ILateBlocker, INService
             
     public CmdCdService(Bot bot)
     {
-        CommandCooldowns = new ConcurrentDictionary<ulong, ConcurrentHashSet<CommandCooldown>>(
+        CommandCooldowns = new(
             bot.AllGuildConfigs.ToDictionary(k => k.GuildId, 
                 v => new ConcurrentHashSet<CommandCooldown>(v.CommandCooldowns)));
     }
@@ -38,7 +38,7 @@ public class CmdCdService : ILateBlocker, INService
                 return Task.FromResult(true);
             }
                 
-            activeCdsForGuild.Add(new ActiveCooldown()
+            activeCdsForGuild.Add(new()
             {
                 UserId = user.Id,
                 Command = commandName,

src/NadekoBot/Modules/Permissions/Services/FilterService.cs

@@ -87,19 +87,19 @@ public sealed class FilterService : IEarlyBehavior
                 .Where(gc => ids.Contains(gc.GuildId))
                 .ToList();
                     
-            InviteFilteringServers = new ConcurrentHashSet<ulong>(configs.Where(gc => gc.FilterInvites).Select(gc => gc.GuildId));
-            InviteFilteringChannels = new ConcurrentHashSet<ulong>(configs.SelectMany(gc => gc.FilterInvitesChannelIds.Select(fci => fci.ChannelId)));
+            InviteFilteringServers = new(configs.Where(gc => gc.FilterInvites).Select(gc => gc.GuildId));
+            InviteFilteringChannels = new(configs.SelectMany(gc => gc.FilterInvitesChannelIds.Select(fci => fci.ChannelId)));
 
-            LinkFilteringServers = new ConcurrentHashSet<ulong>(configs.Where(gc => gc.FilterLinks).Select(gc => gc.GuildId));
-            LinkFilteringChannels = new ConcurrentHashSet<ulong>(configs.SelectMany(gc => gc.FilterLinksChannelIds.Select(fci => fci.ChannelId)));
+            LinkFilteringServers = new(configs.Where(gc => gc.FilterLinks).Select(gc => gc.GuildId));
+            LinkFilteringChannels = new(configs.SelectMany(gc => gc.FilterLinksChannelIds.Select(fci => fci.ChannelId)));
 
             var dict = configs.ToDictionary(gc => gc.GuildId, gc => new ConcurrentHashSet<string>(gc.FilteredWords.Select(fw => fw.Word)));
 
-            ServerFilteredWords = new ConcurrentDictionary<ulong, ConcurrentHashSet<string>>(dict);
+            ServerFilteredWords = new(dict);
 
             var serverFiltering = configs.Where(gc => gc.FilterWords);
-            WordFilteringServers = new ConcurrentHashSet<ulong>(serverFiltering.Select(gc => gc.GuildId));
-            WordFilteringChannels = new ConcurrentHashSet<ulong>(configs.SelectMany(gc => gc.FilterWordsChannelIds.Select(fwci => fwci.ChannelId)));
+            WordFilteringServers = new(serverFiltering.Select(gc => gc.GuildId));
+            WordFilteringChannels = new(configs.SelectMany(gc => gc.FilterWordsChannelIds.Select(fwci => fwci.ChannelId)));
         }
 
         client.MessageUpdated += (oldData, newMsg, channel) =>

src/NadekoBot/Modules/Permissions/Services/PermissionsService.cs

@@ -42,11 +42,11 @@ public class PermissionService : ILateBlocker, INService
             foreach (var x in uow.GuildConfigs.Permissionsv2ForAll(client.Guilds.ToArray().Select(x => x.Id)
                          .ToList()))
             {
-                Cache.TryAdd(x.GuildId, new PermissionCache()
+                Cache.TryAdd(x.GuildId, new()
                 {
                     Verbose = x.VerbosePermissions,
                     PermRole = x.PermissionRole,
-                    Permissions = new PermissionsCollection<Permissionv2>(x.Permissions)
+                    Permissions = new(x.Permissions)
                 });
             }
         }
@@ -64,7 +64,7 @@ public class PermissionService : ILateBlocker, INService
             }
             Cache.TryGetValue(guildId, out pc);
             if (pc is null)
-                throw new Exception("Cache is null.");
+                throw new("Cache is null.");
         }
         return pc;
     }
@@ -90,12 +90,12 @@ public class PermissionService : ILateBlocker, INService
     {
         Cache.AddOrUpdate(config.GuildId, new PermissionCache()
         {
-            Permissions = new PermissionsCollection<Permissionv2>(config.Permissions),
+            Permissions = new(config.Permissions),
             PermRole = config.PermissionRole,
             Verbose = config.VerbosePermissions
         }, (id, old) =>
         {
-            old.Permissions = new PermissionsCollection<Permissionv2>(config.Permissions);
+            old.Permissions = new(config.Permissions);
             old.PermRole = config.PermissionRole;
             old.Verbose = config.VerbosePermissions;
             return old;

src/NadekoBot/Modules/Searches/Common/ImageCacherObject.cs

@@ -21,14 +21,14 @@ public class ImageCacherObject : IComparable<ImageCacherObject>
         }
         this.SearchType = type;
         this.Rating = obj.Rating;
-        this.Tags = new HashSet<string>((obj.Tags ?? obj.TagString).Split(' '));
+        this.Tags = new((obj.Tags ?? obj.TagString).Split(' '));
     }
 
     public ImageCacherObject(string url, Booru type, string tags, string rating)
     {
         this.SearchType = type;
         this.FileUrl = url;
-        this.Tags = new HashSet<string>(tags.Split(' '));
+        this.Tags = new(tags.Split(' '));
         this.Rating = rating;
     }
 

src/NadekoBot/Modules/Searches/Common/StreamNotifications/NotifChecker.cs

@@ -24,12 +24,12 @@ public class NotifChecker
     {
         _multi = multi;
         _key = $"{uniqueCacheKey}_followed_streams_data";
-        _streamProviders = new Dictionary<FollowedStream.FType, Provider>()
+        _streamProviders = new()
         {
             {FollowedStream.FType.Twitch, new TwitchProvider(httpClientFactory)},
             {FollowedStream.FType.Picarto, new PicartoProvider(httpClientFactory)}
         };
-        _offlineBuffer = new HashSet<(FollowedStream.FType, string)>();
+        _offlineBuffer = new();
         if (isMaster)
         {
             CacheClearAllData();
@@ -181,7 +181,7 @@ public class NotifChecker
         var db = _multi.GetDatabase();
         if (!db.KeyExists(_key))
         {
-            return new Dictionary<StreamDataKey, StreamData?>();
+            return new();
         }
 
         return db.HashGetAll(_key)

src/NadekoBot/Modules/Searches/Common/StreamNotifications/Providers/PicartoProvider.cs

@@ -54,7 +54,7 @@ public class PicartoProvider : Provider
     public async override Task<List<StreamData>> GetStreamDataAsync(List<string> logins)
     {
         if (logins.Count == 0)
-            return new List<StreamData>();
+            return new();
 
         using (var http = _httpClientFactory.CreateClient())
         {
@@ -63,7 +63,7 @@ public class PicartoProvider : Provider
             {
                 try
                 {
-                    http.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
+                    http.DefaultRequestHeaders.Accept.Add(new("application/json"));
                     // get id based on the username
                     var res = await http.GetAsync($"https://api.picarto.tv/v1/channel/name/{login}");
                         
@@ -88,7 +88,7 @@ public class PicartoProvider : Provider
 
     private StreamData ToStreamData(PicartoChannelResponse stream)
     {
-        return new StreamData()
+        return new()
         {
             StreamType = FollowedStream.FType.Picarto,
             Name = stream.Name,

src/NadekoBot/Modules/Searches/Common/StreamNotifications/Providers/TwitchProvider.cs

@@ -53,7 +53,7 @@ public class TwitchProvider : Provider
     public override async Task<List<StreamData>> GetStreamDataAsync(List<string> logins)
     {
         if (logins.Count == 0)
-            return new List<StreamData>();
+            return new();
 
         using (var http = _httpClientFactory.CreateClient())
         {
@@ -86,7 +86,7 @@ public class TwitchProvider : Provider
                         var chStr = await http.GetStringAsync($"https://api.twitch.tv/kraken/channels/{user.Id}");
                         var ch = JsonConvert.DeserializeObject<TwitchResponseV5.Channel>(chStr)!;
                             
-                        toReturn.Add(new StreamData
+                        toReturn.Add(new()
                         {
                             StreamType = FollowedStream.FType.Twitch,
                             Name = ch.DisplayName,
@@ -116,7 +116,7 @@ public class TwitchProvider : Provider
 
     private StreamData ToStreamData(TwitchResponseV5.Stream stream)
     {
-        return new StreamData()
+        return new()
         {
             StreamType = FollowedStream.FType.Twitch,
             Name = stream.Channel.DisplayName,

src/NadekoBot/Modules/Searches/FeedCommands.cs

@@ -95,7 +95,7 @@ public partial class Searches
                 return;
             }
 
-            await ctx.SendPaginatedConfirmAsync(0, (cur) =>
+            await ctx.SendPaginatedConfirmAsync(0, cur =>
             {
                 var embed = _eb.Create()
                     .WithOkColor();

src/NadekoBot/Modules/Searches/PathOfExileCommands.cs

@@ -67,7 +67,7 @@ public partial class Searches
                 characters.RemoveAll(c => c.League != league);
             }
 
-            await ctx.SendPaginatedConfirmAsync(page, (curPage) =>
+            await ctx.SendPaginatedConfirmAsync(page, curPage =>
             {
                 var embed = _eb.Create()
                     .WithAuthor($"Characters on {usr}'s account",

src/NadekoBot/Modules/Searches/Searches.cs

@@ -461,7 +461,7 @@ public partial class Searches : NadekoModule<SearchesService>
                 if (items.Any())
                 {
 
-                    await ctx.SendPaginatedConfirmAsync(0, (p) =>
+                    await ctx.SendPaginatedConfirmAsync(0, p =>
                     {
                         var item = items[p];
                         return _eb.Create().WithOkColor()

src/NadekoBot/Modules/Searches/Services/SearchesService.cs

@@ -45,7 +45,7 @@ public class SearchesService : INService
         _cache = cache;
         _fonts = fonts;
         _creds = creds;
-        _rng = new NadekoRandom();
+        _rng = new();
 
         //joke commands
         if (File.Exists("data/wowjokes.json"))
@@ -70,7 +70,7 @@ public class SearchesService : INService
         }
         else
         {
-            _yomamaJokes = new List<string>();
+            _yomamaJokes = new();
             Log.Warning("data/yomama.txt is missing. .yomama command won't work");
         }
     }
@@ -86,7 +86,7 @@ public class SearchesService : INService
     }
 
     private void DrawAvatar(Image bg, Image avatarImage)
-        => bg.Mutate(x => x.Grayscale().DrawImage(avatarImage, new Point(83, 139), new GraphicsOptions()));
+        => bg.Mutate(x => x.Grayscale().DrawImage(avatarImage, new(83, 139), new GraphicsOptions()));
 
     public async Task<byte[]> GetRipPictureFactory((string text, Uri avatarUrl) arg)
     {
@@ -119,7 +119,7 @@ public class SearchesService : INService
             }
 
             bg.Mutate(x => x.DrawText(
-                new TextGraphicsOptions()
+                new()
                 {
                     TextOptions = new TextOptions
                     {
@@ -130,12 +130,12 @@ public class SearchesService : INService
                 text,
                 _fonts.RipFont,
                 SixLabors.ImageSharp.Color.Black,
-                new PointF(25, 225)));
+                new(25, 225)));
 
             //flowa
             using (var flowers = Image.Load(_imgs.RipOverlay.ToArray()))
             {
-                bg.Mutate(x => x.DrawImage(flowers, new Point(0, 0), new GraphicsOptions()));
+                bg.Mutate(x => x.DrawImage(flowers, new(0, 0), new GraphicsOptions()));
             }
 
             return bg.ToStream().ToArray();
@@ -362,7 +362,7 @@ public class SearchesService : INService
             }
             catch { storeUrl = "<url can't be found>"; }
 
-            return new MtgData
+            return new()
             {
                 Description = card.Text,
                 Name = card.Name,
@@ -573,7 +573,7 @@ public class SearchesService : INService
         }
     }
 
-    private static readonly HtmlParser _googleParser = new HtmlParser(new HtmlParserOptions()
+    private static readonly HtmlParser _googleParser = new HtmlParser(new()
     {
         IsScripting = false,
         IsEmbedded = false,
@@ -630,7 +630,7 @@ public class SearchesService : INService
             .Where(x => x != null)
             .ToList();
 
-        return new GoogleSearchResultData(
+        return new(
             results.AsReadOnly(),
             fullQueryLink,
             totalResults);
@@ -681,7 +681,7 @@ public class SearchesService : INService
             .Where(x => x != null)
             .ToList();
 
-        return new GoogleSearchResultData(
+        return new(
             results.AsReadOnly(),
             fullQueryLink,
             "0");

src/NadekoBot/Modules/Searches/Services/StreamNotificationService.cs

@@ -61,7 +61,7 @@ public sealed class StreamNotificationService : INService
         _creds = creds;
         _pubSub = pubSub;
         _eb = eb;
-        _streamTracker = new NotifChecker(httpFactory, redis, creds.RedisKey(), client.ShardId == 0);
+        _streamTracker = new(httpFactory, redis, creds.RedisKey(), client.ShardId == 0);
 
         _streamsOnlineKey = new("streams.online");
         _streamsOfflineKey = new("streams.offline");
@@ -78,7 +78,7 @@ public sealed class StreamNotificationService : INService
                 .Where(x => ids.Contains(x.GuildId))
                 .ToList();
 
-            _offlineNotificationServers = new ConcurrentHashSet<ulong>(guildConfigs
+            _offlineNotificationServers = new(guildConfigs
                 .Where(gc => gc.NotifyStreamOffline)
                 .Select(x => x.GuildId)
                 .ToList());
@@ -125,7 +125,7 @@ public sealed class StreamNotificationService : INService
             _streamTracker.OnStreamsOffline += OnStreamsOffline;
             _streamTracker.OnStreamsOnline += OnStreamsOnline;
             _ = _streamTracker.RunAsync();
-            _notifCleanupTimer = new Timer(_ =>
+            _notifCleanupTimer = new(_ =>
             {
                 try
                 {
@@ -155,7 +155,7 @@ public sealed class StreamNotificationService : INService
                             uow.SaveChanges();
                                 
                             foreach(var loginToDelete in kvp.Value)
-                                _streamTracker.UntrackStreamByKey(new StreamDataKey(kvp.Key, loginToDelete));
+                                _streamTracker.UntrackStreamByKey(new(kvp.Key, loginToDelete));
                         }
                     }
                 }
@@ -191,7 +191,7 @@ public sealed class StreamNotificationService : INService
             }
             else
             {
-                _trackCounter[key] = new HashSet<ulong>()
+                _trackCounter[key] = new()
                 {
                     info.GuildId
                 };
@@ -405,7 +405,7 @@ public sealed class StreamNotificationService : INService
             var gc = uow.GuildConfigsForId(guildId, set => set.Include(x => x.FollowedStreams));
 
             // add it to the database
-            fs = new FollowedStream()
+            fs = new()
             {
                 Type = data.StreamType,
                 Username = data.UniqueName,
@@ -504,14 +504,14 @@ public sealed class StreamNotificationService : INService
             }
             else
             {
-                return map[guildId] = new HashSet<FollowedStream>();
+                return map[guildId] = new();
             }
         }
         else
         {
-            _shardTrackedStreams[key] = new Dictionary<ulong, HashSet<FollowedStream>>()
+            _shardTrackedStreams[key] = new()
             {
-                {guildId, new HashSet<FollowedStream>()}
+                {guildId, new()}
             };
             return _shardTrackedStreams[key][guildId];
         }

src/NadekoBot/Modules/Searches/Services/TranslateService.cs

@@ -56,7 +56,7 @@ public sealed class TranslateService : ITranslateService, ILateExecutor, IReadyE
         if (string.IsNullOrWhiteSpace(msg.Content))
             return;
             
-        if (msg is IUserMessage { Channel: ITextChannel tch } um)
+        if (msg is { Channel: ITextChannel tch } um)
         {
             if (!_atcs.TryGetValue(tch.Id, out var autoDelete))
                 return;

src/NadekoBot/Modules/Searches/StreamNotificationCommands.cs

@@ -106,7 +106,7 @@ public partial class Searches
                 }
             }
 
-            await ctx.SendPaginatedConfirmAsync(page, (cur) =>
+            await ctx.SendPaginatedConfirmAsync(page, cur =>
             {
                 var elements = streams.Skip(cur * 12).Take(12)
                     .ToList();

src/NadekoBot/Modules/Utility/CommandMapCommands.cs

@@ -74,19 +74,19 @@ public partial class Utility
                 await ReplyConfirmLocalizedAsync(strs.alias_removed(Format.Code(trigger))).ConfigureAwait(false);
                 return;
             }
-            _service.AliasMaps.AddOrUpdate(ctx.Guild.Id, (_) =>
+            _service.AliasMaps.AddOrUpdate(ctx.Guild.Id, _ =>
             {
                 using (var uow = _db.GetDbContext())
                 {
                     var config = uow.GuildConfigsForId(ctx.Guild.Id, set => set.Include(x => x.CommandAliases));
-                    config.CommandAliases.Add(new CommandAlias()
+                    config.CommandAliases.Add(new()
                     {
                         Mapping = mapping,
                         Trigger = trigger
                     });
                     uow.SaveChanges();
                 }
-                return new ConcurrentDictionary<string, string>(new Dictionary<string, string>() {
+                return new(new Dictionary<string, string>() {
                     {trigger.Trim().ToLowerInvariant(), mapping.ToLowerInvariant() },
                 });
             }, (_, map) =>
@@ -131,7 +131,7 @@ public partial class Utility
 
             var arr = maps.ToArray();
 
-            await ctx.SendPaginatedConfirmAsync(page, (curPage) =>
+            await ctx.SendPaginatedConfirmAsync(page, curPage =>
             {
                 return _eb.Create().WithOkColor()
                     .WithTitle(GetText(strs.alias_list))

src/NadekoBot/Modules/Utility/InviteCommands.cs

@@ -42,7 +42,7 @@ public partial class Utility
 
             var invites = await channel.GetInvitesAsync().ConfigureAwait(false);
 
-            await ctx.SendPaginatedConfirmAsync(page, (cur) =>
+            await ctx.SendPaginatedConfirmAsync(page, cur =>
             {
                 var i = 1;
                 var invs = invites