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[SVN r40234]
This commit is contained in:
Joel de Guzman
2007-10-21 00:47:59 +00:00
parent fc57a566cb
commit 7a6e82b7cf
476 changed files with 0 additions and 25709 deletions
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102
include/boost/fusion/support/pair.hpp
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@ -1,102 +0,0 @@
/*=============================================================================
Copyright (c) 2005 Joel de Guzman
Copyright (c) 2006 Tobias Schwinger
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
==============================================================================*/
#if !defined(FUSION_PAIR_07222005_1203)
#define FUSION_PAIR_07222005_1203
#include <boost/fusion/support/detail/access.hpp>
#include <boost/fusion/support/detail/as_fusion_element.hpp>
namespace boost { namespace fusion
{
// A half runtime pair where the first type does not have data
template <typename First, typename Second>
struct pair
{
pair()
: second() {}
pair(typename detail::call_param<Second>::type val)
: second(val) {}
template <typename Second2>
pair(pair<First, Second2> const& rhs)
: second(rhs.second) {}
template <typename Second2>
pair& operator=(pair<First, Second2> const& rhs)
{
second = rhs.second;
return *this;
}
typedef First first_type;
typedef Second second_type;
Second second;
};
namespace result_of
{
template<typename First, typename Second>
struct make_pair
{
typedef fusion::pair<First,
typename detail::as_fusion_element<Second>::type> type;
};
template<class Pair>
struct first
{
typedef typename Pair::first_type type;
};
template<class Pair>
struct second
{
typedef typename Pair::second_type type;
};
}
template <typename First, typename Second>
inline typename result_of::make_pair<First,Second>::type
make_pair(Second const& val)
{
return pair<First, typename detail::as_fusion_element<Second>::type>(val);
}
template <typename OStream, typename First, typename Second>
inline OStream&
operator<<(OStream& os, pair<First, Second> const& p)
{
os << p.second;
return os;
}
template <typename IStream, typename First, typename Second>
inline IStream&
operator>>(IStream& is, pair<First, Second>& p)
{
is >> p.second;
return is;
}
template <typename First, typename SecondL, typename SecondR>
inline bool
operator==(pair<First, SecondL> const& l, pair<First, SecondR> const& r)
{
return l.second == r.second;
}
template <typename First, typename SecondL, typename SecondR>
inline bool
operator!=(pair<First, SecondL> const& l, pair<First, SecondR> const& r)
{
return l.second != r.second;
}
}}
#endif