}
}

// A fastpath for recomputeDestinationIndex_locked for "adding edge case".
func (g *Graph) addEdgeToDestinationIndex_locked(e graph.Edge) {
	n := e.From()
	index := g.destinationEdgeIndex[n.ID()]
	if index == nil {
		// There is no index, use the full index computation method
		g.recomputeDestinationIndex_locked(n)
		return
	}
	// fast-add the new edge to an existing index