qiskit.circuit.QuantumCircuit.barrier

QuantumCircuit.barrier(*qargs, label=None)

Apply Barrier. If qargs is empty, applies to all qubits in the circuit.

Parameters

• qargs (QubitSpecifier) -- Specification for one or more qubit arguments.

• label (str) -- The string label of the barrier.

Returns

handle to the added instructions.

Return type

qiskit.circuit.InstructionSet