using Discord.WebSocket;

namespace Kasbot.Extensions
{
    public static class IListExtensions
    {
        public static IEnumerable<T> Shuffle<T>(this IEnumerable<T> source)
        {
            var rng = new Random();

            var buffer = source.ToList();
            for (int i = 0; i < buffer.Count; i++)
            {
                int j = rng.Next(i, buffer.Count);
                yield return buffer[j];

                buffer[j] = buffer[i];
            }
        }
    }
}