mirror of
https://github.com/ecency/ecency-mobile.git
synced 2024-12-23 13:22:02 +03:00
62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
/*-----------------------------------------------------------------------------+
|
|
Copyright (c) 2010-2010: 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_CONCEPT_MAP_VALUE_HPP_JOFA_100924
|
|
#define BOOST_ICL_CONCEPT_MAP_VALUE_HPP_JOFA_100924
|
|
|
|
#include <boost/icl/type_traits/predicate.hpp>
|
|
#include <boost/icl/type_traits/identity_element.hpp>
|
|
#include <boost/icl/type_traits/is_map.hpp>
|
|
|
|
namespace boost{ namespace icl
|
|
{
|
|
|
|
//==============================================================================
|
|
//= AlgoUnifiers<Map>
|
|
//==============================================================================
|
|
template<class Type, class Iterator>
|
|
inline typename enable_if<is_map<Type>, const typename Type::key_type>::type&
|
|
key_value(Iterator it_)
|
|
{
|
|
return (*it_).first;
|
|
}
|
|
|
|
template<class Type, class Iterator>
|
|
inline typename enable_if<is_map<Type>, const typename Type::codomain_type>::type&
|
|
co_value(Iterator it_)
|
|
{
|
|
return (*it_).second;
|
|
}
|
|
|
|
template<class Type>
|
|
inline typename enable_if<is_map<Type>, typename Type::value_type>::type
|
|
make_value(const typename Type:: key_type& key_val,
|
|
const typename Type::codomain_type& co_val)
|
|
{
|
|
return typename Type::value_type(key_val, co_val);
|
|
}
|
|
|
|
|
|
template <class Type>
|
|
class content_is_identity_element: public property<Type>
|
|
{
|
|
public:
|
|
bool operator() (const Type& value_pair)const
|
|
{
|
|
return value_pair.second
|
|
== identity_element<typename Type::second_type>::value();
|
|
}
|
|
} ;
|
|
|
|
|
|
|
|
}} // namespace boost icl
|
|
|
|
#endif
|
|
|
|
|