-- | Return the edge ids of the codomain which are not in the image of the given morphism.
orphanTypedEdgeIds :: TypedGraphMorphism a b -> [EdgeId]
orphanTypedEdgeIds tgm = GM.orphanEdgeIds (mapping tgm)
orphanTypedEdgeIds :: TypedGraphMorphism a b -> [EdgeId]
orphanTypedEdgeIds tgm = GM.orphanEdgeIds (mapping tgm)
orphanTypedEdgeIds tgm = GM.orphanEdgeIds (mapping tgm)