 	}
 	
 	func hierholzer< G : Graph >(graph: G.Type) {
-		let start = Date()
 		/*
 		
 		0----3----4

		// print(g0)
		// print(g0.eulerian)
		// print(g0.semiEulerian)
		XCTAssert(g0.hierholzer() == nil) // TODO: Hierholzer also for directed, (semi-)eulerian graphs
		
		var g1 = G()
		

		// g2[3, 5] = 1
		
		// print(g2)
		
		var g3 = G()
		
