telegram-bot/Core/Extensions/StartupExtension.cs

using System.Collections.Concurrent;
using Kruzya.TelegramBot.Core.Cache;
using Kruzya.TelegramBot.Core.Options;
using Microsoft.Extensions.DependencyInjection;

namespace Kruzya.TelegramBot.Core.Extensions;

public static class StartupExtension
{
    public static IServiceCollection AddQueue<T>(this IServiceCollection collection)
        => collection.AddSingleton<ConcurrentQueue<T>>();

    public static IServiceCollection AddMemoryCache<TKey, TValue>(this IServiceCollection collection)
        => collection.AddSingleton<MemoryCache<TKey, TValue>>();

    public static IServiceCollection AddOption<T>(this IServiceCollection collection) where T : class, IOption 
        => collection.AddScoped<T>()
            .AddScoped<IOption, T>(s => s.GetService<T>());

}