Searched refs:mapMaybeKeys (Results 1 – 1 of 1) sorted by relevance
70 mapMaybeKeys :: (Ord k1, Ord k2) => (k1 -> Maybe k2) -> Map k1 a -> Map k2 a71 mapMaybeKeys f = Map.fromList . mapMaybe (\ (k,a) -> (,a) <$> f k) . Map.toList function