Class DisallowParallelEdges

Graph/GraphIO.h:85–93

Disallow parallel edges. */

/** Disallow parallel edges. */
struct DisallowParallelEdges {
	template <typename EP>
	EP operator()(const EP& a, const EP& b) const
	{
		std::cerr << "error: parallel edges:"
			" [" << a << "], [" << b << "]\n";
		exit(EXIT_FAILURE);
	}
};

/** Read a graph. */
template <typename Graph>