195     Optional(const Optional& other) : base_flag(other.constructed()) {  in Optional()  argument
197             new (&get()) T(other.get());  in Optional()
200     Optional(Optional&& other) : base_flag(other.constructed()) {  in Optional()  argument
202             new (&get()) T(std::move(other.get()));  in Optional()
210     Optional(const Optional<U>& other) : base_flag(other.constructed()) {  in Optional()  argument
212             new (&get()) T(other.get());  in Optional()
220     Optional(Optional<U>&& other) : base_flag(other.constructed()) {  in Optional()  argument
222             new (&get()) T(std::move(other.get()));  in Optional()
246     Optional& operator=(const Optional& other) {
247         if (&other == this) {
252             if (other.constructed()) {
253                 get() = other.get();
259             if (other.constructed()) {
260                 new (&get()) T(other.get());
270     Optional& operator=(Optional&& other) {
272             if (other.constructed()) {
273                 get() = std::move(other.get());
279             if (other.constructed()) {
280                 new (&get()) T(std::move(other.get()));
292     Optional& operator=(const Optional<U>& other) {
294             if (other.constructed()) {
295                 get() = other.get();
301             if (other.constructed()) {
302                 new (&get()) T(other.get());
314     Optional& operator=(Optional<U>&& other) {
316             if (other.constructed()) {
317                 get() = std::move(other.get());
323             if (other.constructed()) {
324                 new (&get()) T(std::move(other.get()));
340     Optional& operator=(U&& other) {
342             get() = std::forward<U>(other);
344             new (&get()) T(std::forward<U>(other));