public static T ChooseAndExtract <T>(this IRNG random, IList <T> list)
{
var index = random.ChooseIndex(list);
var item = list[index];
list.RemoveAt(index);
return(item);
}
public static T Choose <T>(this IRNG random, IReadOnlyList <T> list)
{
var index = random.ChooseIndex(list);
return(list[index]);
}
public static T Choose <T>(this IRNG random, IReadOnlyCollection <T> items)
{
var index = random.ChooseIndex(items);
return(items.ElementAt(index));
}