public object Contains(object o)
{
// promote sets to FrozenSet's for contains checks (so we get a hash code)
o = SetHelpers.GetHashableSetIfSet(o);
Ops.Hash(o);// make sure we have a hashable item
return(Ops.Bool2Object(items.ContainsKey(o)));
}
public void remove([NotNull] SetCollection o)
{
var set = SetHelpers.GetHashableSetIfSet(o);
if (!_items.RemoveAlwaysHash(set))
{
throw PythonOps.KeyError(o);
}
}
public bool __contains__(object value)
{
// promote sets to FrozenSets for contains checks (so we get a hash code)
value = SetHelpers.GetHashableSetIfSet(value);
if (_items.Count == 0)
{
PythonOps.Hash(DefaultContext.Default, value); // make sure we have a hashable item
}
return(_items.Contains(value));
}
public void Remove(object o)
{
o = SetHelpers.GetHashableSetIfSet(o);
Ops.Hash(o);
if (!items.ContainsKey(o))
{
throw Ops.KeyError("{0}", o.ToString());
}
items.Remove(o);
}
public void Discard(object o)
{
o = SetHelpers.GetHashableSetIfSet(o);
items.Remove(o);
}