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c14. add some helper traits to simplify

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add_const_t and co....
fix include
This commit is contained in:
Olivier Parcollet 2014-02-08 18:30:21 +01:00
parent dd6b996e5d
commit 3f62825559
1 changed files with 6 additions and 1 deletions
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7
triqs/utility/c14.hpp
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@ -20,8 +20,9 @@
******************************************************************************/
#pragma once
#include <memory>
//#include <functional>
#include <functional>
#include <tuple>
#include "./macros.hpp"
// a few that will be C++14, use in advance....
@ -30,7 +31,10 @@ namespace std {
// helpers
template <bool B, class T, class F> using conditional_t = typename conditional<B, T, F>::type;
template <class T> using result_of_t = typename result_of<T>::type;
template <class T> using remove_reference_t = typename remove_reference<T>::type;
template <class T> using add_const_t = typename add_const<T>::type;
template <class T> using remove_const_t = typename remove_const<T>::type;
// use simply std::c14::plus<>() ...
template<typename T = void> struct plus: std::plus<T>{};
@ -50,6 +54,7 @@ namespace std {
template<typename ... Args2>
tuple(Args2 && ... args2) : std::tuple<Args...> (std::forward<Args2>(args2)...){}
};
}
// minimal hack to get the metaprogramming work with this tuple too....