Function main

01.32-optional5/main.cpp:94–107

              Not_TriviallyDestructible>);

int main()
{
  static_assert(
    not std::is_copy_constructible_v<optional<NotCopyable>>);
  static_assert(std::is_copy_constructible_v<optional<int>>);

  static_assert(not std::is_trivially_destructible_v<
                optional<Not_TriviallyDestructible>>);
  static_assert(
    std::is_trivially_destructible_v<optional<int>>);

  optional<Not_TriviallyDestructible> no{};
  optional<COMLike>                   o{};
}