public bool IsSubsetOf(IEnumerable <T> other) => mySet.IsSubsetOf(other);
public bool IsSubsetOf(IEnumerable <T> other) { return(myBackingSet.IsSubsetOf(other)); }
public bool IsSubsetOf(IEnumerable <T> other) => mySet.IsSubsetOf(other);
public bool IsSubsetOf(IEnumerable <T> other) { return(myBackingSet.IsSubsetOf(other)); }