func()

in graph/graph.go [62:70]

• 8 lines of code
• 2 McCabe index (conditional complexity)

func (g *Graph[NT]) AddNode(n NT) error {
	nodeKey := n.GetName()
	if _, ok := g.nodes[nodeKey]; ok {
		return NewGraphError(ErrDuplicateNode, fmt.Sprintf("node with key %s already exists in this graph", nodeKey))
	}
	g.nodes[nodeKey] = n

	return nil
}