adjacencyMap :: ToGraph t => Ord (ToVertex t) => t -> Map (ToVertex t) (Set (ToVertex t))
adjacencyMap = AM.adjacencyMap . toAdjacencyMap
adjacencyMap :: ToGraph t => Ord (ToVertex t) => t -> Map (ToVertex t) (Set (ToVertex t))
adjacencyMap = AM.adjacencyMap . toAdjacencyMap
adjacencyMap = AM.adjacencyMap . toAdjacencyMap