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- /*-----------------------------------------------------------------------------+
- 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()
- {
- static Type _value;
- return _value;
- }
- template<>
- inline std::string unary_template_to_string<identity_element>::apply() { return "0"; }
- }} // namespace boost icl
- #endif
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