qiskit.circuit.QuantumCircuit.barrier¶ QuantumCircuit.barrier(*qargs, label=None)[ソース]¶ Apply Barrier. If qargs is empty, applies to all qubits in the circuit. パラメータ qargs (QubitSpecifier) – Specification for one or more qubit arguments. label (str) – The string label of the barrier. 戻り値 handle to the added instructions. 戻り値の型 qiskit.circuit.InstructionSet