qiskit.dagcircuit.DAGCircuit.topological_op_nodes

DAGCircuit.topological_op_nodes(key=None)

Yield op nodes in topological order.

Allowed to pass in specific key to break ties in top order

Parameters

key (Callable) -- A callable which will take a DAGNode object and return a string sort key. If not specified the sort_key attribute will be used as the sort key for each node.

Returns

op node in topological order

Return type

generator(DAGOpNode)