Method construct

include/sol/optional_implementation.hpp:403–406

			template <class... Args>
			void construct(Args&&... args) noexcept {
				new (std::addressof(this->m_value)) T(std::forward<Args>(args)...);
				this->m_has_value = true;
			}

			template <class Opt>
			void assign(Opt&& rhs) {