-- | The /adjacency map/ of a graph: each vertex is associated with a set of its
-- /direct successors/. Like 'adjacencyMap' but specialised for graphs with
-- vertices of type 'Int'.
--
-- @
-- adjacencyIntMap == Algebra.Graph.AdjacencyIntMap.'Algebra.Graph.AdjacencyIntMap.adjacencyIntMap' . 'toAdjacencyIntMap'
-- @
adjacencyIntMap :: (ToGraph t, ToVertex t ~ Int) => t -> IntMap IntSet
adjacencyIntMap = AIM.adjacencyIntMap . toAdjacencyIntMap
adjacencyIntMap :: (ToGraph t, ToVertex t ~ Int) => t -> IntMap IntSet
adjacencyIntMap = AIM.adjacencyIntMap . toAdjacencyIntMap
adjacencyIntMap = AIM.adjacencyIntMap . toAdjacencyIntMap