jnk/type_name.hpp

   1 #include <cstdlib>
   2 #include <cxxabi.h>
   3 #include <iostream>
   4 #include <string>
   5 #include <type_traits>
   6 #include <typeinfo>
   7
   8 template <class T>
   9 inline std::string get_type_name()
  10 {
  11   typedef typename std::remove_reference<T>::type TR;
  12   std::unique_ptr<char, void (*)(void*)>          own(
  13       abi::__cxa_demangle(typeid(TR).name(), nullptr, nullptr, nullptr),
  14       std::free);
  15   std::string r = own != nullptr ? own.get() : typeid(TR).name();
  16   if (std::is_const<TR>::value)
  17     r += " const";
  18   if (std::is_volatile<TR>::value)
  19     r += " volatile";
  20   if (std::is_lvalue_reference<T>::value)
  21     r += "&";
  22   else if (std::is_rvalue_reference<T>::value)
  23     r += "&&";
  24   return r;
  25 }