Joe4evr

public static class TaskCompletionExtensions
{
    public static Task<T> FirstCompletedTask<T>(this IEnumerable<Task<T>> source)
    {
        foreach (var completedTask in tasks.InCompletionOrder())
        {
            if (completedTask.Status == TaskStatus.RanToCompletion)
            {
                return completedTask;
            }

Joe4evr

class Program
{
    private readonly PrefixService _prefixService = new PrefixService();
    
    //.....
    private IServiceProvider ConfigureServices()
    {
        var map = new ServiceCollection()
            .AddSingleton(_prefixService)
            //....

Joe4evr

using System;
using System.Runtime.CompilerServices;

internal sealed class Del
{
    internal void Run() => _act();
    private Action _act;
    internal Action Act { set => _act = value; }
}

Joe4evr

using System;
using System.Reflection;
using System.Threading.Tasks;

class Program
{
  static void Main(string[] args)
  {
    var method = typeof(Program).GetMethod(nameof(Foo), BindingFlags.Static | BindingFlags.NonPublic);
    var task = method.Invoke(new object(), Array.Empty<object>());

Joe4evr

[AttributeUsage(AttributeTargets.Method, AllowMultiple = false)]
public class RequireAdminOrOwnerAttribute : PreconditionAttribute
{
  private readonly RequireOwnerAttribute _owner = new RequireOwnerAttribute();
  private readonly RequireUserPermissionAttribute _admins = new RequireUserPermissionAttribute(GuildPermission.Administrator);

  public override async Task<PreconditionResult> CheckPermissions(ICommandContext context, CommandInfo command, IServiceProvider services)
  {
    var isAdmin = await _admins.CheckPermissions(context, command, services);
    var isOwner = await _owner.CheckPermissions(context, command, services);

Joe4evr

using System.Threading.Tasks;
using Discord.Commands;

public class AudioModule : ModuleBase<ICommandContext>
{
    // Scroll down further for the AudioService.
    // Like, way down
    private readonly AudioService _service;

    // Remember to add an instance of the AudioService

Joe4evr

using System;
using System.Reflection;
using System.Threading.Tasks;
using Discord;
using Discord.Commands;
using Discord.WebSocket;

class Program
{
    private readonly DiscordSocketClient client;

Joe4evr

using System;
using System.Threading; // 1) Add this namespace
using System.Threading.Tasks;
using Discord.Commands;

public class TimerService
{
    private readonly Timer _timer; // 2) Add a field like this
    // This example only concerns a single timer.
    // If you would like to have multiple independant timers,