bool IStructuralEquatable.Equals(object other, IEqualityComparer /*!*/ comparer)
{
SetStorage items;
return(SetStorage.GetItemsIfSet(other, out items) &&
SetStorage.Equals(_items, items, comparer));
}
public bool __ne__(object other)
{
SetStorage items;
return(!SetStorage.GetItemsIfSet(other, out items) ||
_items.Count != items.Count ||
!_items.IsSubset(items));
}
// default conversion of protocol methods only allows our specific type for equality,
// but sets can do __eq__ / __ne__ against any type. This is why we define a separate
// __eq__ / __ne__ here.
public bool __eq__(object other)
{
SetStorage items;
return(SetStorage.GetItemsIfSet(other, out items) &&
_items.Count == items.Count &&
_items.IsSubset(items));
}
public object __ne__(object other)
{
if (SetStorage.GetItemsIfSet(other, out SetStorage items))
{
return(_items.Count != items.Count || !_items.IsSubset(items));
}
return(NotImplementedType.Value);
}
public static object operator <=(SetCollection self, object other)
{
if (SetStorage.GetItemsIfSet(other, out SetStorage items))
{
return(self._items.IsSubset(items));
}
return(NotImplementedType.Value);
}
public static bool operator <=(SetCollection self, object other)
{
SetStorage items;
if (SetStorage.GetItemsIfSet(other, out items))
{
return(self._items.IsSubset(items));
}
throw PythonOps.TypeError("can only compare to a set");
}
