HH\ImmMap::differenceByKey
Returns a new ImmMap
with the keys that are in the current ImmMap
, but
not in the provided KeyedTraversable
public function differenceByKey(
KeyedTraversable<mixed, mixed> $traversable,
): ImmMap<Tk, Tv>;
Parameters
KeyedTraversable<mixed, mixed> $traversable
- TheKeyedTraversable
on which to compare the keys.
Returns
ImmMap<Tk, Tv>
- AnImmMap
containing the keys (and associated values) of the currentImmMap
that are not in theKeyedTraversable
.
Examples
See Map::differenceByKey
for usage examples.