Returns the arcs of this graph.

var g = new HashDigraph[Int]
g.add_arc(1, 3)
g.add_arc(2, 3)
assert g.arcs.length == 2

Property definitions

graph $ Digraph :: arcs
	# Returns the arcs of this graph.
	#
	# ~~~
	# var g = new HashDigraph[Int]
	# g.add_arc(1, 3)
	# g.add_arc(2, 3)
	# assert g.arcs.length == 2
	# ~~~
	fun arcs: Array[Array[V]] do return [for arc in arcs_iterator do arc]
lib/graph/digraph.nit:282,2--290,70