%module cpp11_move_only %include "cpp11_move_only_helper.i" #if defined(SWIGOCAML) %rename(valu) val; #endif %ignore MoveOnly::operator=; //%valuewrapper MoveOnly; // SWIG sets %valuewrapper by default for move-only types %inline %{ #include using namespace std; bool trace = false; struct MoveOnly { int val; MoveOnly(int i = 0) : val(i) { if (trace) cout << "MoveOnly(" << i << ")" << " " << this << endl; Counter::normal_constructor++; } MoveOnly(const MoveOnly &other) = delete; MoveOnly & operator=(const MoveOnly &other) = delete; MoveOnly(MoveOnly &&other) noexcept : val(std::move(other.val)) { if (trace) cout << "MoveOnly(MoveOnly &&)" << " " << this << endl; Counter::move_constructor++; } MoveOnly & operator=(MoveOnly &&other) noexcept { if (trace) cout << "operator=(MoveOnly &&)" << " " << this << endl; Counter::move_assignment++; if (this != &other) { val = std::move(other.val); } return *this; } ~MoveOnly() { if (trace) cout << "~MoveOnly()" << " " << this << endl; Counter::destructor++; } static MoveOnly create() { return MoveOnly(111); } // static const MoveOnly createConst() { return MoveOnly(111); } // not supported by default // compile error by default, see cpp11_move_typemaps.i #if defined(WRAP_TAKE_METHOD) static void take(MoveOnly mo) { if (trace) cout << "take(MoveOnly)" << " " << &mo << endl; } #endif }; %} %ignore MovableCopyable::operator=; %ignore MovableCopyable::MovableCopyable(MovableCopyable &&); // %valuewrapper MovableCopyable; // SWIG does not use valuewrapper by default for copyable types with a default constructor %inline %{ // Movable and Copyable struct MovableCopyable { int val; MovableCopyable(int i = 0) : val(i) { if (trace) cout << "MovableCopyable(" << i << ")" << " " << this << endl; Counter::normal_constructor++; } MovableCopyable(const MovableCopyable &other) : val(other.val) { if (trace) cout << "MovableCopyable(const MovableCopyable &)" << " " << this << " " << &other << endl; Counter::copy_constructor++;} MovableCopyable & operator=(const MovableCopyable &other) { if (trace) cout << "operator=(const MovableCopyable &)" << " " << this << " " << &other << endl; Counter::copy_assignment++; if (this != &other) { val = other.val; } return *this; } MovableCopyable(MovableCopyable &&other) noexcept : val(std::move(other.val)) { if (trace) cout << "MovableCopyable(MovableCopyable &&)" << " " << this << endl; Counter::move_constructor++; } MovableCopyable & operator=(MovableCopyable &&other) noexcept { if (trace) cout << "operator=(MovableCopyable &&)" << " " << this << endl; Counter::move_assignment++; if (this != &other) { val = std::move(other.val); } return *this; } ~MovableCopyable() { if (trace) cout << "~MovableCopyable()" << " " << this << endl; Counter::destructor++; } static MovableCopyable create() { return MovableCopyable(111); } static const MovableCopyable createConst() { return MovableCopyable(111); } static void take(MovableCopyable mc) { if (trace) cout << "take(MovableCopyable)" << " " << &mc << endl; } }; %}