/*-----------------------------------------------------------------------------+ | |
Copyright (c) 2008-2009: Joachim Faulhaber | |
+------------------------------------------------------------------------------+ | |
Distributed under the Boost Software License, Version 1.0. | |
(See accompanying file LICENCE.txt or copy at | |
http://www.boost.org/LICENSE_1_0.txt) | |
+-----------------------------------------------------------------------------*/ | |
#ifndef BOOST_ICL_TYPE_TRAITS_IDENTITY_ELEMENT_HPP_JOFA_080912 | |
#define BOOST_ICL_TYPE_TRAITS_IDENTITY_ELEMENT_HPP_JOFA_080912 | |
#include <boost/icl/type_traits/type_to_string.hpp> | |
namespace boost{ namespace icl | |
{ | |
template <class Type> struct identity_element | |
{ | |
static Type value(); | |
Type operator()()const { return value(); } | |
}; | |
template <class Type> | |
inline Type identity_element<Type>::value() | |
{ | |
return Type(); | |
} | |
template<> | |
inline std::string unary_template_to_string<identity_element>::apply() { return "0"; } | |
}} // namespace boost icl | |
#endif | |