uid	title	ms.date	ms.topic	qsharp.kind	qsharp.namespace	qsharp.name	qsharp.summary
Microsoft.Quantum.Canon.ApplyToFirstTwoQubitsCA	ApplyToFirstTwoQubitsCA operation	7/28/2023 12:00:00 AM	managed-reference	operation	Microsoft.Quantum.Canon	ApplyToFirstTwoQubitsCA	Applies an operation to the first two qubits in the register. The modifier `CA` indicates that the operation is controllable and adjointable.

ApplyToFirstTwoQubitsCA operation

Warning

This documentation refers to the Classic QDK, which has been replaced by the Modern QDK.

Please see https://aka.ms/qdk.api for the API documentation for the Modern QDK.

Namespace: Microsoft.Quantum.Canon

Applies an operation to the first two qubits in the register. The modifier CA indicates that the operation is controllable and adjointable.

operation ApplyToFirstTwoQubitsCA (op : ((Qubit, Qubit) => Unit is Adj + Ctl), register : Qubit[]) : Unit is Adj + Ctl

Input

An operation to be applied to the first two qubits

Qubit array to the first two qubits of which the operation is applied.

This is equivalent to:

op(register[0], register[1]);