Function make_box

include/function2/function2.hpp:432–436

/// Creates a box containing the given value and allocator
template <bool IsCopyable, typename T, typename Allocator>
auto make_box(std::integral_constant<bool, IsCopyable>, T&& value,
              Allocator&& allocator_) {
  return box<IsCopyable, std::decay_t<T>, std::decay_t<Allocator>>(
      std::forward<T>(value), std::forward<Allocator>(allocator_));
}

template <typename T>
struct is_box : std::false_type {};