inc/skunk/dataconv.h: In function ‘typename std::enable_if<(! sk::is_constructible_<Tto, Tfrom, void>::value)>::type sk::convert_swap(void*, const void*, ssize_t)’:
inc/skunk/dataconv.h:174:9: error: insufficient contextual information to determine type
         type_name<
         ^~~~~~~~~~
             typename sad::result_of<typename std::decay<Tto>::type(typename std::decay<Tfrom>::type)>::type
             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         >.data()