tag_of.h

 
//          Copyright John McFarlane 2019.
// Distributed under the Boost Software License, Version 1.0.
//    (See accompanying file ../LICENSE_1_0.txt or copy at
//          http://www.boost.org/LICENSE_1_0.txt)
 
#if !defined(CNL_IMPL_NUM_TRAITS_TAG_OF_H)
#define CNL_IMPL_NUM_TRAITS_TAG_OF_H
 
namespace cnl {
    template<typename T>
    struct tag_of;
 
    namespace _impl {
        template<typename T>
        using tag_of_t = typename tag_of<T>::type;
    }
}
 
#endif  // CNL_IMPL_NUM_TRAITS_TAG_OF_H