module SWAP ( qbit a, qbit b ) {
    CNOT ( b, a );
    CNOT ( a, b );
    CNOT ( b, a );
}

// Scaffold doesn't allow overloading module names based on module parameter signature
// SWAPs is vector of gates on vectors of qubits
module SWAPs (
  const unsigned int width,
	qbit a[],
	qbit b[]
) {

	for (int i=0; i<width; i++) {
    CNOT(b[i], a[i]);
    CNOT(a[i], b[i]);
    CNOT(b[i], a[i]);
	}

}