rustworkx.PyDAG.add_parent

PyDAG.add_parent(child, obj, edge, /)

Add a new parent node to the dag.

This create a new node on the dag and add an edge to the child from that new node

Parameters:

• child (int) – The index of the child node

• obj – The python object to attach to the node

• edge – The python object to attach to the edge

Returns index:

The index of the newly created parent node

Return type:

int