public bool MultiSetEquals(IEnumerable <T> other)
{
var multiset = new MultiSet <T>(other);
foreach (T el in elements.Keys)
{
if (!multiset.Contains(el) || multiset[el] != this[el])
{
return(false);
}
}
return(true);
}
public bool IsSubsetOf(IEnumerable <T> other)
{
if (other is null)
{
throw new ArgumentNullException();
}
var multiset = new MultiSet <T>(other);
var enumerator = GetEnumerator();
while (enumerator.MoveNext())
{
if (!multiset.Contains(enumerator.Current) || multiset[enumerator.Current] < this[enumerator.Current])
{
return(false);
}
}
return(true);
}
