using System.Collections.Generic;

namespace Atlas.Core
{
    public static class List
    {
        public static void Shuffle<T>(this IList<T> list)
        {
            int n = list.Count;
            while (n > 1)
            {
                n--;
                int k = UnityEngine.Random.Range(0, n + 1);
                T value = list[k];
                list[k] = list[n];
                list[n] = value;
            }
        }

        public static T GetRandom<T>(this IList<T> list)
        {
            int k = UnityEngine.Random.Range(0, list.Count);

            return list[k];
        }
    }
}
