dev: Using collection expressions, no functional change

src/NadekoBot/Bot.cs

@@ -80,10 +80,10 @@ public sealed class Bot : IBot
         // _interactionService = new(Client.Rest);
 
         Client.Log += Client_Log;
-        _loadedAssemblies = new[]
+        _loadedAssemblies =
-        {
+        [
-            typeof(Bot).Assembly, // bot
+            typeof(Bot).Assembly // bot
-        };
+        ];
     }
 
 

src/NadekoBot/Db/Extensions/GuildConfigExtensions.cs

@@ -7,19 +7,20 @@ namespace NadekoBot.Db;
 public static class GuildConfigExtensions
 {
     private static List<WarningPunishment> DefaultWarnPunishments
-        => new()
+        =>
-        {
+        [
             new()
             {
                 Count = 3,
                 Punishment = PunishmentAction.Kick
             },
+
             new()
             {
                 Count = 5,
                 Punishment = PunishmentAction.Ban
             }
-        };
+        ];
 
     /// <summary>
     ///     Gets full stream role settings for the guild with the specified id.

src/NadekoBot/Db/Models/Permission.cs

@@ -33,10 +33,7 @@ public class Permissionv2 : DbEntity, IIndexed
         };
 
     public static List<Permissionv2> GetDefaultPermlist
-        => new()
+        => [AllowAllPerm];
-        {
-            AllowAllPerm
-        };
 }
 
 public enum PrimaryPermissionType

src/NadekoBot/Modules/Administration/GreetBye/GreetService.cs

@@ -319,13 +319,13 @@ public class GreetService : INService, IReadyExecutor
                     // if there are no embeds, add an embed with the footer
                     smartText = seta with
                     {
-                        Embeds = new[]
+                        Embeds =
-                        {
+                        [
                             new SmartEmbedArrayElementText()
                             {
                                 Footer = CreateFooterSource(user)
                             }
-                        }
+                        ]
                     };
                 }
                 else

src/NadekoBot/Modules/Administration/Role/ReactionRolesService.cs

@@ -305,10 +305,7 @@ public sealed class ReactionRolesService : IReadyExecutor, INService, IReactionR
         lock (_cacheLock)
         {
             _cache.AddOrUpdate(msg.Id,
-                _ => new()
+                _ => [obj],
-                {
-                    obj
-                },
                 (_, list) =>
                 {
                     list.RemoveAll(x => x.Emote == emote);

src/NadekoBot/Modules/Administration/ServerLog/ServerLogCommandService.cs

@@ -24,7 +24,7 @@ public sealed class LogCommandService : ILogCommandService, IReadyExecutor
     private readonly GuildTimezoneService _tz;
     private readonly IMemoryCache _memoryCache;
 
-    private readonly ConcurrentHashSet<ulong> _ignoreMessageIds = new();
+    private readonly ConcurrentHashSet<ulong> _ignoreMessageIds = [];
     private readonly UserPunishService _punishService;
     private readonly IMessageSenderService _sender;
 
@@ -115,10 +115,7 @@ public sealed class LogCommandService : ILogCommandService, IReadyExecutor
                               strs.user_status_change("👤" + Format.Bold(gu.Username),
                                   Format.Bold(after.Status.ToString())));
                 PresenceUpdates.AddOrUpdate(logChannel,
-                    new List<string>
+                    [str],
-                    {
-                        str
-                    },
                     (_, list) =>
                     {
                         list.Add(str);
@@ -130,10 +127,7 @@ public sealed class LogCommandService : ILogCommandService, IReadyExecutor
                 var str =
                     $"👾`{PrettyCurrentTime(gu.Guild)}`👤__**{gu.Username}**__ is now playing **{after.Activities.FirstOrDefault()?.Name ?? "-"}**.";
                 PresenceUpdates.AddOrUpdate(logChannel,
-                    new List<string>
+                    [str],
-                    {
-                        str
-                    },
                     (_, list) =>
                     {
                         list.Add(str);
@@ -881,10 +875,7 @@ public sealed class LogCommandService : ILogCommandService, IReadyExecutor
                 if (!string.IsNullOrWhiteSpace(str))
                 {
                     PresenceUpdates.AddOrUpdate(logChannel,
-                        new List<string>
+                        [str],
-                        {
-                            str
-                        },
                         (_, list) =>
                         {
                             list.Add(str);

src/NadekoBot/Modules/Expressions/NadekoExpressionsService.cs

@@ -356,7 +356,7 @@ public sealed class NadekoExpressionsService : IExecOnMessage, IReadyExecutor
         if (maybeGuildId is { } guildId)
         {
             newguildExpressions.AddOrUpdate(guildId,
-                new[] { expr },
+                [expr],
                 (_, old) =>
                 {
                     var newArray = old.ToArray();
@@ -389,7 +389,7 @@ public sealed class NadekoExpressionsService : IExecOnMessage, IReadyExecutor
         expr.Trigger = expr.Trigger.Replace(MENTION_PH, _client.CurrentUser.Mention);
 
         if (maybeGuildId is { } guildId)
-            newguildExpressions.AddOrUpdate(guildId, new[] { expr }, (_, old) => old.With(expr));
+            newguildExpressions.AddOrUpdate(guildId, [expr], (_, old) => old.With(expr));
         else
             return _pubSub.Pub(_gexprAddedKey, expr);
 

src/NadekoBot/Modules/Gambling/Connect4/Connect4Commands.cs

@@ -12,9 +12,9 @@ public partial class Gambling
     public partial class Connect4Commands : GamblingSubmodule<GamblingService>
     {
         private static readonly string[] _numbers =
-        {
+        [
             ":one:", ":two:", ":three:", ":four:", ":five:", ":six:", ":seven:", ":eight:"
-        };
+        ];
 
         private int RepostCounter
         {

src/NadekoBot/Modules/Gambling/DiceRoll/DiceRollCommands.cs

@@ -16,7 +16,7 @@ public partial class Gambling
 
         private static readonly Regex _fudgeRegex = new(@"^(?<n1>\d+)d(?:F|f)$", RegexOptions.Compiled);
 
-        private static readonly char[] _fateRolls = { '-', ' ', '+' };
+        private static readonly char[] _fateRolls = ['-', ' ', '+'];
         private readonly IImageCache _images;
 
         public DiceRollCommands(IImageCache images)

src/NadekoBot/Modules/Gambling/GamblingConfig.cs

@@ -131,8 +131,8 @@ public partial class BetRollConfig
     public BetRollPair[] Pairs { get; set; } = Array.Empty<BetRollPair>();
 
     public BetRollConfig()
-        => Pairs = new BetRollPair[]
+        => Pairs =
-        {
+        [
             new()
             {
                 WhenAbove = 99,
@@ -148,7 +148,7 @@ public partial class BetRollConfig
                 WhenAbove = 66,
                 MultiplyBy = 2
             }
-        };
+        ];
 }
 
 [Cloneable]
@@ -207,7 +207,7 @@ public partial class LuckyLadderSettings
     public decimal[] Multipliers { get; set; }
 
     public LuckyLadderSettings()
-        => Multipliers = new[] { 2.4M, 1.7M, 1.5M, 1.2M, 0.5M, 0.3M, 0.2M, 0.1M };
+        => Multipliers = [2.4M, 1.7M, 1.5M, 1.2M, 0.5M, 0.3M, 0.2M, 0.1M];
 }
 
 [Cloneable]
@@ -228,11 +228,11 @@ public sealed partial class WaifuConfig
         List of items available for gifting.
         If negative is true, gift will instead reduce waifu value.
         """)]
-    public List<WaifuItemModel> Items { get; set; } = new();
+    public List<WaifuItemModel> Items { get; set; } = [];
 
     public WaifuConfig()
-        => Items = new()
+        => Items =
-        {
+        [
             new("🥔", 5, "Potato"),
             new("🍪", 10, "Cookie"),
             new("🥖", 20, "Bread"),
@@ -269,7 +269,7 @@ public sealed partial class WaifuConfig
             new("🚁", 20000, "Helicopter"),
             new("🚀", 30000, "Spaceship"),
             new("🌕", 50000, "Moon")
-        };
+        ];
 
     public class WaifuDecayConfig
     {

src/NadekoBot/Modules/Gambling/Waifus/db/WaifuExtensions.cs

@@ -28,9 +28,9 @@ public static class WaifuExtensions
     public static IEnumerable<WaifuLbResult> GetTop(this DbSet<WaifuInfo> waifus, int count, int skip = 0)
     {
         ArgumentOutOfRangeException.ThrowIfNegative(count);
-        
+
         if (count == 0)
-            return new List<WaifuLbResult>();
+            return [];
 
         return waifus.Include(wi => wi.Waifu)
                      .Include(wi => wi.Affinity)

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

@@ -42,7 +42,7 @@ public sealed class AcrophobiaGame : IDisposable
     private readonly SemaphoreSlim _locker = new(1, 1);
     private readonly NadekoRandom _rng;
 
-    private readonly HashSet<ulong> _usersWhoVoted = new();
+    private readonly HashSet<ulong> _usersWhoVoted = [];
 
     public AcrophobiaGame(Options options)
     {

src/NadekoBot/Modules/Games/GamesConfig.cs

@@ -24,8 +24,8 @@ public sealed partial class GamesConfig : ICloneable<GamesConfig>
     };
 
     [Comment("List of responses for the .8ball command. A random one will be selected every time")]
-    public List<string> EightBallResponses { get; set; } = new()
+    public List<string> EightBallResponses { get; set; } =
-    {
+    [
         "Most definitely yes.",
         "For sure.",
         "Totally!",
@@ -49,52 +49,59 @@ public sealed partial class GamesConfig : ICloneable<GamesConfig>
         "Don't even think about it.",
         "Definitely no.",
         "NO - It may cause disease contraction!"
-    };
+    ];
 
     [Comment("List of animals which will be used for the animal race game (.race)")]
-    public List<RaceAnimal> RaceAnimals { get; set; } = new()
+    public List<RaceAnimal> RaceAnimals { get; set; } =
-    {
+    [
         new()
         {
             Icon = "🐼",
             Name = "Panda"
         },
+
         new()
         {
             Icon = "🐻",
             Name = "Bear"
         },
+
         new()
         {
             Icon = "🐧",
             Name = "Pengu"
         },
+
         new()
         {
             Icon = "🐨",
             Name = "Koala"
         },
+
         new()
         {
             Icon = "🐬",
             Name = "Dolphin"
         },
+
         new()
         {
             Icon = "🐞",
             Name = "Ladybird"
         },
+
         new()
         {
             Icon = "🦀",
             Name = "Crab"
         },
+
         new()
         {
             Icon = "🦄",
             Name = "Unicorn"
         }
-    };
+    ];
 
     [Comment(@"Which chatbot API should bot use.
 'cleverbot' - bot will use Cleverbot API. 

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

@@ -33,8 +33,8 @@ public sealed class NunchiGame : IDisposable
 
     private readonly SemaphoreSlim _locker = new(1, 1);
 
-    private HashSet<(ulong Id, string Name)> participants = new();
+    private HashSet<(ulong Id, string Name)> participants = [];
-    private readonly HashSet<(ulong Id, string Name)> _passed = new();
+    private readonly HashSet<(ulong Id, string Name)> _passed = [];
     private Timer killTimer;
 
     public NunchiGame(ulong creatorId, string creatorName)

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

@@ -17,9 +17,9 @@ public class TicTacToe
     private IGuildUser winner;
 
     private readonly string[] _numbers =
-    {
+    [
         ":one:", ":two:", ":three:", ":four:", ":five:", ":six:", ":seven:", ":eight:", ":nine:"
-    };
+    ];
 
     private IUserMessage previousMessage;
     private Timer timeoutTimer;
@@ -42,7 +42,7 @@ public class TicTacToe
         _options = options;
         _sender = sender;
 
-        _users = new[] { firstUser, null };
+        _users = [firstUser, null];
         _state = new int?[,] { { null, null, null }, { null, null, null }, { null, null, null } };
 
         phase = Phase.Starting;

src/NadekoBot/Modules/Games/Trivia/TriviaQuestion.cs

@@ -9,13 +9,13 @@ public class TriviaQuestion
     public const int MAX_STRING_LENGTH = 22;
 
     //represents the min size to judge levDistance with
-    private static readonly HashSet<Tuple<int, int>> _strictness = new()
+    private static readonly HashSet<Tuple<int, int>> _strictness =
-    {
+    [
         new(9, 0),
         new(14, 1),
         new(19, 2),
         new(22, 3)
-    };
+    ];
 
     public string Category
         => _qModel.Category;

src/NadekoBot/Modules/Help/Help.cs

@@ -249,13 +249,16 @@ public sealed partial class Help : NadekoModule<HelpService>
         var succ = new HashSet<CommandInfo>();
         if (opts.View != CommandsOptions.ViewType.All)
         {
-            succ = new((await cmds.Select(async x =>
+            succ =
-                                  {
+            [
-                                      var pre = await x.CheckPreconditionsAsync(Context, _services);
+                ..(await cmds.Select(async x =>
-                                      return (Cmd: x, Succ: pre.IsSuccess);
+                             {
-                                  })
+                                 var pre = await x.CheckPreconditionsAsync(Context, _services);
-                                  .WhenAll()).Where(x => x.Succ)
+                                 return (Cmd: x, Succ: pre.IsSuccess);
-                                             .Select(x => x.Cmd));
+                             })
+                             .WhenAll()).Where(x => x.Succ)
+                                        .Select(x => x.Cmd)
+            ];
 
             if (opts.View == CommandsOptions.ViewType.Hide)
                 // if hidden is specified, completely remove these commands from the list

src/NadekoBot/Modules/Medusae/MedusaeRepositoryService.cs

@@ -6,17 +6,62 @@ public class MedusaeRepositoryService : IMedusaeRepositoryService, INService
     {
         // Simulate retrieving data from a database or API
         await Task.Delay(100);
-        return new List<ModuleItem>
+        return
-        {
+        [
-            new ModuleItem { Name = "RSS Reader", Description = "Keep up to date with your favorite websites", Command = ".meinstall rss" },
+            new()
-            new ModuleItem { Name = "Password Manager", Description = "Safely store and manage all your passwords", Command = ".meinstall passwordmanager" },
+            {
-            new ModuleItem { Name = "Browser Extension", Description = "Enhance your browsing experience with useful tools", Command = ".meinstall browserextension" },
+                Name = "RSS Reader",
-            new ModuleItem { Name = "Video Downloader", Description = "Download videos from popular websites", Command = ".meinstall videodownloader" },
+                Description = "Keep up to date with your favorite websites",
-            new ModuleItem { Name = "Virtual Private Network", Description = "Securely browse the web and protect your privacy", Command = ".meinstall vpn" },
+                Command = ".meinstall rss"
-            new ModuleItem { Name = "Ad Blocker", Description = "Block annoying ads and improve page load times", Command = ".meinstall adblocker" },
+            },
-            new ModuleItem { Name = "Cloud Storage", Description = "Store and share your files online", Command = ".meinstall cloudstorage" },
+            new()
-            new ModuleItem { Name = "Social Media Manager", Description = "Manage all your social media accounts in one place", Command = ".meinstall socialmediamanager" },
+            {
-            new ModuleItem { Name = "Code Editor", Description = "Write and edit code online", Command = ".meinstall codeeditor" }
+                Name = "Password Manager",
-        };
+                Description = "Safely store and manage all your passwords",
+                Command = ".meinstall passwordmanager"
+            },
+            new()
+            {
+                Name = "Browser Extension",
+                Description = "Enhance your browsing experience with useful tools",
+                Command = ".meinstall browserextension"
+            },
+            new()
+            {
+                Name = "Video Downloader",
+                Description = "Download videos from popular websites",
+                Command = ".meinstall videodownloader"
+            },
+            new()
+            {
+                Name = "Virtual Private Network",
+                Description = "Securely browse the web and protect your privacy",
+                Command = ".meinstall vpn"
+            },
+            new()
+            {
+                Name = "Ad Blocker",
+                Description = "Block annoying ads and improve page load times",
+                Command = ".meinstall adblocker"
+            },
+            new()
+            {
+                Name = "Cloud Storage",
+                Description = "Store and share your files online",
+                Command = ".meinstall cloudstorage"
+            },
+            new()
+            {
+                Name = "Social Media Manager",
+                Description = "Manage all your social media accounts in one place",
+                Command = ".meinstall socialmediamanager"
+            },
+            new()
+            {
+                Name = "Code Editor",
+                Description = "Write and edit code online",
+                Command = ".meinstall codeeditor"
+            }
+        ];
     }
 }

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

@@ -28,11 +28,10 @@ public sealed class AyuVoiceStateService : INService
         _dnetApiClient = prop.GetValue(_client, null);
         _sendVoiceStateUpdateMethodInfo = _dnetApiClient.GetType()
                                                         .GetMethod("SendVoiceStateUpdateAsync",
-                                                            new[]
+                                                        [
-                                                            {
+                                                            typeof(ulong), typeof(ulong?), typeof(bool),
-                                                                typeof(ulong), typeof(ulong?), typeof(bool),
                                                                 typeof(bool), typeof(RequestOptions)
-                                                            });
+                                                        ]);
 
         _client.LeftGuild += ClientOnLeftGuild;
     }
@@ -55,7 +54,7 @@ public sealed class AyuVoiceStateService : INService
             bool isMuted = false)
         // return _voiceStateUpdate(guildId, channelId, isDeafened, isMuted);
         => (Task)_sendVoiceStateUpdateMethodInfo.Invoke(_dnetApiClient,
-            new object[] { guildId, channelId, isMuted, isDeafened, null });
+            [guildId, channelId, isMuted, isDeafened, null]);
 
     private Task SendLeaveVoiceChannelInternalAsync(ulong guildId)
         => InvokeSendVoiceStateUpdateAsync(guildId);

src/NadekoBot/Modules/Music/Services/extractor/YtLoader.cs

@@ -11,9 +11,9 @@ public sealed partial class YtLoader : INService
     private static readonly byte[] _ytResultJsonEnd = Encoding.UTF8.GetBytes(";<");
 
     private static readonly string[] _durationFormats =
-    {
+    [
         @"m\:ss", @"mm\:ss", @"h\:mm\:ss", @"hh\:mm\:ss", @"hhh\:mm\:ss"
-    };
+    ];
 
     private readonly IHttpClientFactory _httpFactory;
 

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

@@ -7,9 +7,9 @@ namespace NadekoBot.Modules.Music;
 public sealed class YtdlYoutubeResolver : IYoutubeResolver
 {
     private static readonly string[] _durationFormats =
-    {
+    [
         "ss", "m\\:ss", "mm\\:ss", "h\\:mm\\:ss", "hh\\:mm\\:ss", "hhh\\:mm\\:ss"
-    };
+    ];
 
     private static readonly Regex _expiryRegex = new(@"(?:[\?\&]expire\=(?<timestamp>\d+))");
 

src/NadekoBot/Modules/Searches/Anime/AnimeSearchCommands.cs

@@ -162,7 +162,7 @@ public partial class Searches
                            .AddField(GetText(strs.episodes), animeData.TotalEpisodes.ToString(), true)
                            .AddField(GetText(strs.status), animeData.AiringStatus, true)
                            .AddField(GetText(strs.genres),
-                               string.Join(",\n", animeData.Genres.Any() ? animeData.Genres : new[] { "none" }),
+                               string.Join(",\n", animeData.Genres.Any() ? animeData.Genres : ["none"]),
                                true)
                            .WithFooter($"{GetText(strs.score)} {animeData.AverageScore} / 100");
             await Response().Embed(embed).SendAsync();
@@ -194,7 +194,7 @@ public partial class Searches
                            .AddField(GetText(strs.chapters), mangaData.TotalChapters.ToString(), true)
                            .AddField(GetText(strs.status), mangaData.PublishingStatus, true)
                            .AddField(GetText(strs.genres),
-                               string.Join(",\n", mangaData.Genres.Any() ? mangaData.Genres : new[] { "none" }),
+                               string.Join(",\n", mangaData.Genres.Any() ? mangaData.Genres : ["none"]),
                                true)
                            .WithFooter($"{GetText(strs.score)} {mangaData.AverageScore} / 100");
 

src/NadekoBot/Modules/Searches/Feeds/FeedsService.cs

@@ -247,10 +247,7 @@ public class FeedsService : INService
         foreach (var feed in gc.FeedSubs)
         {
             _subs.AddOrUpdate(feed.Url.ToLower(),
-                new List<FeedSub>
+                [feed],
-                {
-                    feed
-                },
                 (_, old) =>
                 {
                     old.Add(feed);
@@ -275,7 +272,7 @@ public class FeedsService : INService
             return false;
         var toRemove = items[index];
         _subs.AddOrUpdate(toRemove.Url.ToLower(),
-            new List<FeedSub>(),
+            [],
             (_, old) =>
             {
                 old.Remove(toRemove);

src/NadekoBot/Modules/Searches/SearchesService.cs

@@ -23,8 +23,8 @@ public class SearchesService : INService
         Birds
     }
 
-    public List<WoWJoke> WowJokes { get; } = new();
+    public List<WoWJoke> WowJokes { get; } = [];
-    public List<MagicItem> MagicItems { get; } = new();
+    public List<MagicItem> MagicItems { get; } = [];
     private readonly IHttpClientFactory _httpFactory;
     private readonly IGoogleApiService _google;
     private readonly IImageCache _imgs;
@@ -68,7 +68,7 @@ public class SearchesService : INService
             _yomamaJokes = File.ReadAllLines("data/yomama.txt").Shuffle().ToList();
         else
         {
-            _yomamaJokes = new();
+            _yomamaJokes = [];
             Log.Warning("data/yomama.txt is missing. .yomama command won't work");
         }
     }

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

@@ -202,10 +202,7 @@ public sealed class StreamNotificationService : INService, IReadyExecutor
                 _trackCounter[key].Add(info.GuildId);
             else
             {
-                _trackCounter[key] = new()
+                _trackCounter[key] = [info.GuildId];
-                {
-                    info.GuildId
-                };
             }
         }
 
@@ -572,12 +569,12 @@ public sealed class StreamNotificationService : INService, IReadyExecutor
         {
             if (map.TryGetValue(guildId, out var set))
                 return set;
-            return map[guildId] = new();
+            return map[guildId] = [];
         }
 
         _shardTrackedStreams[key] = new()
         {
-            { guildId, new() }
+            { guildId, [] }
         };
         return _shardTrackedStreams[key][guildId];
     }

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

@@ -41,10 +41,7 @@ public class PicartoProvider : Provider
 
     public override async Task<StreamData?> GetStreamDataAsync(string login)
     {
-        var data = await GetStreamDataAsync(new List<string>
+        var data = await GetStreamDataAsync([login]);
-        {
-            login
-        });
 
         return data.FirstOrDefault();
     }
@@ -52,7 +49,7 @@ public class PicartoProvider : Provider
     public override async Task<IReadOnlyCollection<StreamData>> GetStreamDataAsync(List<string> logins)
     {
         if (logins.Count == 0)
-            return new List<StreamData>();
+            return [];
 
         using var http = _httpClientFactory.CreateClient();
         var toReturn = new List<StreamData>();

src/NadekoBot/Modules/Searches/_common/StreamNotifications/Providers/TwitchHelixProvider.cs

@@ -66,10 +66,7 @@ public sealed class TwitchHelixProvider : Provider
 
     public override async Task<StreamData?> GetStreamDataAsync(string login)
     {
-        var data = await GetStreamDataAsync(new List<string>
+        var data = await GetStreamDataAsync([login]);
-        {
-            login
-        });
 
         return data.FirstOrDefault();
     }
@@ -125,7 +122,7 @@ public sealed class TwitchHelixProvider : Provider
             catch (Exception ex)
             {
                 Log.Warning(ex, "Something went wrong retreiving {StreamPlatform} streams", Platform);
-                return new List<StreamData>();
+                return [];
             }
         }
         
@@ -163,7 +160,7 @@ public sealed class TwitchHelixProvider : Provider
             catch (Exception ex)
             {
                 Log.Warning(ex, "Something went wrong retreiving {StreamPlatform} streams", Platform);
-                return new List<StreamData>();
+                return [];
             }
         }
 

src/NadekoBot/Modules/Utility/UnitConversion/ConverterService.cs

@@ -58,13 +58,13 @@ public class ConverterService : INService, IReadyExecutor
         var currencyRates = await GetCurrencyRates();
         var baseType = new ConvertUnit
         {
-            Triggers = new[] { currencyRates.Base },
+            Triggers = [currencyRates.Base],
             Modifier = decimal.One,
             UnitType = unitTypeString
         };
         var units = currencyRates.ConversionRates.Select(u => new ConvertUnit
                                  {
-                                     Triggers = new[] { u.Key },
+                                     Triggers = [u.Key],
                                      Modifier = u.Value,
                                      UnitType = unitTypeString
                                  })

src/NadekoBot/Modules/Utility/Utility.cs

@@ -480,7 +480,7 @@ public partial class Utility : NadekoModule
         try
         {
             if (tags.Length == 0)
-                tags = new[] { name };
+                tags = [name];
 
             await ctx.Guild.CreateStickerAsync(
                 name,

src/NadekoBot/Services/Impl/Localization.cs

@@ -112,7 +112,7 @@ public class Localization : ILocalization
             {
                 Cmd = key,
                 Desc = key,
-                Usage = new[] { key }
+                Usage = [key]
             };
         }
 

src/NadekoBot/Services/Impl/RedisBotCache.cs

@@ -8,13 +8,13 @@ namespace NadekoBot.Common;
 
 public sealed class RedisBotCache : IBotCache
 {
-    private static readonly Type[] _supportedTypes = new []
+    private static readonly Type[] _supportedTypes =
-    {
+    [
         typeof(bool), typeof(int), typeof(uint), typeof(long),
         typeof(ulong), typeof(float), typeof(double),
         typeof(string), typeof(byte[]), typeof(ReadOnlyMemory<byte>), typeof(Memory<byte>),
-        typeof(RedisValue),
+        typeof(RedisValue)
-    };
+    ];
 
     private static readonly JsonSerializerOptions _opts = new()
     {

src/NadekoBot/_common/Abstractions/Extensions/StringExtensions.cs

@@ -6,10 +6,13 @@ namespace NadekoBot.Extensions;
 
 public static class StringExtensions
 {
-    private static readonly HashSet<char> _lettersAndDigits = new(Enumerable.Range(48, 10)
+    private static readonly HashSet<char> _lettersAndDigits =
-                                                                            .Concat(Enumerable.Range(65, 26))
+    [
-                                                                            .Concat(Enumerable.Range(97, 26))
+        ..Enumerable.Range(48, 10)
-                                                                            .Select(x => (char)x));
+                    .Concat(Enumerable.Range(65, 26))
+                    .Concat(Enumerable.Range(97, 26))
+                    .Select(x => (char)x)
+    ];
 
     private static readonly Regex _filterRegex = new(@"discord(?:\.gg|\.io|\.me|\.li|(?:app)?\.com\/invite)\/(\w+)",
         RegexOptions.Compiled | RegexOptions.IgnoreCase);
@@ -43,7 +46,7 @@ public static class StringExtensions
 
     public static string ToTitleCase(this string str)
     {
-        var tokens = str.Split(new[] { " " }, StringSplitOptions.RemoveEmptyEntries);
+        var tokens = str.Split([" "], StringSplitOptions.RemoveEmptyEntries);
         for (var i = 0; i < tokens.Length; i++)
         {
             var token = tokens[i];

src/NadekoBot/_common/Configs/BotConfig.cs

@@ -146,14 +146,14 @@ public sealed partial class BotConfig : ICloneable<BotConfig>
         Prefix = ".";
         RotateStatuses = false;
         GroupGreets = false;
-        DmHelpTextKeywords = new()
+        DmHelpTextKeywords =
-        {
+        [
             "help",
             "commands",
             "cmds",
             "module",
             "can you do"
-        };
+        ];
     }
 
 //         [Comment(@"Whether the prefix will be a suffix, or prefix.
@@ -178,8 +178,8 @@ public sealed partial class BlockedConfig
 
     public BlockedConfig()
     {
-        Modules = new();
+        Modules = [];
-        Commands = new();
+        Commands = [];
     }
 }
 

src/NadekoBot/_common/Deck/Deck.cs

@@ -259,10 +259,10 @@ public class Deck
         }
 
         private readonly string[] _regIndicators =
-        {
+        [
             "🇦", ":two:", ":three:", ":four:", ":five:", ":six:", ":seven:", ":eight:", ":nine:", ":keycap_ten:",
             "🇯", "🇶", "🇰"
-        };
+        ];
 
         public Card(CardSuit s, int cardNum)
         {

src/NadekoBot/_common/Medusa/Common/MedusaIoCKernelModule.cs

@@ -64,7 +64,7 @@ public sealed class MedusaNinjectIocModule : IIocModule, IDisposable
         var assembly = typeof(JsonSerializerOptions).Assembly;
         var updateHandlerType = assembly.GetType("System.Text.Json.JsonSerializerOptionsUpdateHandler");
         var clearCacheMethod = updateHandlerType?.GetMethod("ClearCache", BindingFlags.Static | BindingFlags.Public);
-        clearCacheMethod?.Invoke(null, new object?[] { null }); 
+        clearCacheMethod?.Invoke(null, [null]); 
         
         isLoaded = false;
     }

src/NadekoBot/_common/Medusa/Common/MedusaLoaderService.cs

@@ -140,7 +140,7 @@ public sealed class MedusaLoaderService : IMedusaLoaderService, IReadyExecutor,
                           => alias.Equals(commandName, StringComparison.InvariantCultureIgnoreCase)))
                       ?.OptionalStrings
                       .Args
-               ?? new[] { string.Empty };
+               ?? [string.Empty];
     }
 
     public Task ReloadStrings()
@@ -375,7 +375,7 @@ public sealed class MedusaLoaderService : IMedusaLoaderService, IReadyExecutor,
             var targetType = parserType.BaseType!.GetGenericArguments()[0];
             var typeReaderInstance = (TypeReader)Activator.CreateInstance(
                 typeof(ParamParserAdapter<>).MakeGenericType(targetType),
-                args: new[] { parserObj, strings, _cont })!;
+                args: [parserObj, strings, _cont])!;
 
             typeReaders.Add(targetType, typeReaderInstance);
         }
@@ -888,7 +888,7 @@ public sealed class MedusaLoaderService : IMedusaLoaderService, IReadyExecutor,
             var cmdAttribute = method.GetCustomAttribute<cmdAttribute>(true)!;
             var aliases = cmdAttribute.Aliases;
             if (aliases.Length == 0)
-                aliases = new[] { method.Name.ToLowerInvariant() };
+                aliases = [method.Name.ToLowerInvariant()];
 
             cmds.Add(new(
                 aliases,

src/NadekoBot/_common/Services/strings/impl/BotStrings.cs

@@ -81,7 +81,7 @@ public class BotStrings : IBotStrings
 
                 return new CommandStrings()
                 {
-                    Examples = new[] { "" },
+                    Examples = [""],
                     Desc = "?",
                     Params = []
                 };

src/NadekoBot/_common/Yml/MultilineScalarFlowStyleEmitter.cs

@@ -19,7 +19,7 @@ public class MultilineScalarFlowStyleEmitter : ChainedEventEmitter
             var value = eventInfo.Source.Value as string;
             if (!string.IsNullOrEmpty(value))
             {
-                var isMultiLine = value.IndexOfAny(new[] { '\r', '\n', '\x85', '\x2028', '\x2029' }) >= 0;
+                var isMultiLine = value.IndexOfAny(['\r', '\n', '\x85', '\x2028', '\x2029']) >= 0;
                 if (isMultiLine)
                 {
                     eventInfo = new(eventInfo.Source)