UnityListExtensions

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public static class UnityListExtensions {

	private static Random rng = new Random();

	public static void Shuffle<T>(this IList<T> list) {
    	int n = list.Count;
    	while (n > 1) {
       		n--;
        	int k = rng.Next(n + 1);
        	T value = list[k];
        	list[k] = list[n];
        	list[n] = value;
    	}
	}

    public static void RemoveAndDestroy<T> (this List<T> list, T behaviour) where T: MonoBehaviour {
        list.Remove (behaviour);
        GameObject.Destroy (behaviour.gameObject);
    }
}