public static MultiSet <T> operator -(MultiSet <T> first, MultiSet <T> second)
{
first.NotNullReturnsList(first, out List <T> tempList1);
second.NotNullReturnsList(second, out List <T> tempList2);
var newSet = new MultiSet <T>(tempList1);
foreach (var item in tempList2)
{
newSet.RemoveAll(item);
}
return(newSet);
}
static void Main(string[] args)
{
char[] znaki = new char[] { 'a', 'a', 'a', 'b', 'c', 'c', 'd', 'e', 'e' };
var mz = new MultiSet <char>(znaki);
Console.WriteLine(mz.ToString());
foreach (var x in mz)
{
Console.WriteLine(x);
}
//var tempintersect = new char[] { 'a', 'e','x' };
//var tempMS = mz.SymmetricExceptWith(tempintersect);
//Console.WriteLine("---");
//foreach (var x in tempMS)
// Console.WriteLine(x);
//var tempintersect = new char[] { 'a', 'b', 'c', 'd', 'e', 'x' };
//Console.WriteLine(mz.IsProperSubsetOf(tempintersect));
//char[] znaki1 = new char[] { 'a', 'a', 'a', 'b', 'c', 'c', 'd', 'e', 'e', 'x' };
//Console.WriteLine(mz.MultiSetEquals(znaki1));
//Console.WriteLine(mz.ToString());
//char[] znakX = new char[] { 'x', 'X' };
//var mz2 = new MultiSet<char>(znakX);
//Console.WriteLine(mz2.ToString());
////Console.WriteLine(mz.MultiSetEquals(mz2));
//var newMsPlus = mz2 + mz;
//Console.WriteLine(newMsPlus.ToString());
//char[] toMinus = new char[] { 'a', 'b','x' };
//var mz3 = new MultiSet<char>(toMinus);
//var newMsMinus = mz - mz3;
//Console.WriteLine(newMsMinus);
//var mz4 = mz * mz3;
//Console.WriteLine(mz4);
//mz.IntersectWith(mz3);
//Console.WriteLine(mz);
//char[] chars = new char[] { 'a', 'b', 'c', 'd', 'e' };
//var ms = new MultiSet<char>(chars);
//char[] chars2 = new char[] { 'a', 'b', 'x' };
//var ms2 = new MultiSet<char>(chars2);
//ms = ms.SymmetricExceptWith(ms2);
//Console.WriteLine(ms);
}
public static bool IsMultiSetReadonly(MultiSet <T> ms) => ms.IsReadOnly == true ? throw new NotSupportedException() : false;
