perl Graph Graph Graph::AdjacencyMap Graph::AdjacencyMap::Heavy Graph::AdjacencyMap::Light Graph::AdjacencyMap::Vertex Graph::AdjacencyMatrix Graph::Attribute Graph::BitMatrix Graph::Directed Graph::MSTHeapElem Graph::Matrix Graph::SPTHeapElem Graph::TransitiveClosure Graph::TransitiveClosure::Matrix Graph::Traversal Graph::Traversal::BFS Graph::Traversal::DFS Graph::Undirected Graph::UnionFind Heap071::Elem Heap071::Fibonacci