The given quick example is uselessly dependent on tchar.h, which is Microsoft-specific. This is not going to work with "my favourite C++14 compiler". By the wa

The given quick example is uselessly dependent on tchar.h, which is Microsoft-specific. This is not going to work with "my favourite C++14 compiler". By the way, if we're going to require a C++14 compiler, why still implement empty destructors when we can use "= default"?