How do I write an ADL-enabled trailing return type, or noexcept specification?

Question

Imagine I\'m writing some container template or something. And the time comes to specialize std::swap for it. As a good citizen, I\'ll enable ADL by doing somet

Answer 1

C++17 has solved this particular use case with std::is_nothrow_swappable: http://en.cppreference.com/w/cpp/types/is_swappable