/// <summary>
/// Same as Randomize, but changes the original List's elements order
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="e"></param>
/// <returns></returns>
public static IEnumerable <T> RandomizeMutable <T>(this IList <T> e)
{
var n = e.Count;
while (n > 1)
{
n--;
var k = SafeRandom.GetInt(n + 1);
T value = e[k];
e[k] = e[n];
e[n] = value;
}
return(e);
}