Test if a type T is any graph type with a particular vertex type.
1 Graph!int graph; 2 3 assert(isUndirectedGraph!(typeof(graph), int)); 4 assert(isGraph!(typeof(graph), int)); 5 assert(!isGraph!(typeof(graph), short)); 6 7 Digraph!int digraph; 8 9 assert(isDirectedGraph!(typeof(digraph), int)); 10 assert(isGraph!(typeof(digraph), int)); 11 assert(!isGraph!(typeof(digraph), short));
A shorthand for a directed graph.