105     typename std::aligned_storage<sizeof(T), alignof(T)>::type mStorage;  variable
124         new (&mStorage) T(reinterpret_cast<const T&>(rhs.mStorage));  in Maybe()
133         new (&mStorage) T(reinterpret_cast<const U&>(rhs.mStorage));  in Maybe()
144         new (&mStorage) T(std::move(reinterpret_cast<T&>(rhs.mStorage)));  in Maybe()
157         new (&mStorage) T(std::move(reinterpret_cast<U&>(rhs.mStorage)));  in Maybe()
182         reinterpret_cast<T&>(mStorage) = reinterpret_cast<const U&>(rhs.mStorage);  in copy()
188         new (&mStorage) T(reinterpret_cast<const U&>(rhs.mStorage));  in copy()
218         reinterpret_cast<T&>(mStorage) = std::move(reinterpret_cast<U&>(rhs.mStorage));  in move()
226         new (&mStorage) T(std::move(reinterpret_cast<U&>(rhs.mStorage)));  in move()
239     new (&mStorage) T(value);  in Maybe()
245     new (&mStorage) T(std::forward<T>(value));  in Maybe()
256     return reinterpret_cast<T&>(mStorage);  in value()
262     return reinterpret_cast<const T&>(mStorage);  in value()
267     reinterpret_cast<T&>(mStorage).~T();  in destroy()