nadekobot/src/NadekoBot/Services/Impl/StartingGuildsListService.cs

using System.Collections.Immutable;
using System.Collections;

namespace NadekoBot.Services;

public class StartingGuildsService : IEnumerable<ulong>, INService
{
    private readonly ImmutableList<ulong> _guilds;

    public StartingGuildsService(DiscordSocketClient client)
    {
        this._guilds = client.Guilds.Select(x => x.Id).ToImmutableList();
    }

    public IEnumerator<ulong> GetEnumerator() =>
        _guilds.GetEnumerator();

    IEnumerator IEnumerable.GetEnumerator() =>
        _guilds.GetEnumerator();
}