utility File Reference

#include <bits/c++config.h>
#include <bits/stl_relops.h>
#include <bits/stl_pair.h>

Macros
#define	_GLIBCXX_TR1_UTILITY   1

Functions
namespace std	_GLIBCXX_VISIBILITY (default)

Detailed Description

This is a TR1 C++ Library header.

Macro Definition Documentation

#define _GLIBCXX_TR1_UTILITY   1

Function Documentation

namespace std _GLIBCXX_VISIBILITY

(

default

)

{
namespace tr1
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION

  template<class _Tp>
    class tuple_size;

  template<int _Int, class _Tp>
    class tuple_element;

   // Various functions which give std::pair a tuple-like interface.
  template<class _Tp1, class _Tp2>
    struct tuple_size<std::pair<_Tp1, _Tp2> >
    { static const int value = 2; };

  template<class _Tp1, class _Tp2>
    const int
    tuple_size<std::pair<_Tp1, _Tp2> >::value;

  template<class _Tp1, class _Tp2>
    struct tuple_element<0, std::pair<_Tp1, _Tp2> >
    { typedef _Tp1 type; };
 
  template<class _Tp1, class _Tp2>
    struct tuple_element<1, std::pair<_Tp1, _Tp2> >
    { typedef _Tp2 type; };

  template<int _Int>
    struct __pair_get;

  template<>
    struct __pair_get<0>
    {
      template<typename _Tp1, typename _Tp2>
      static _Tp1& __get(std::pair<_Tp1, _Tp2>& __pair)
      { return __pair.first; }

      template<typename _Tp1, typename _Tp2>
      static const _Tp1& __const_get(const std::pair<_Tp1, _Tp2>& __pair)
      { return __pair.first; }
    };

  template<>
    struct __pair_get<1>
    {
      template<typename _Tp1, typename _Tp2>
      static _Tp2& __get(std::pair<_Tp1, _Tp2>& __pair)
      { return __pair.second; }

      template<typename _Tp1, typename _Tp2>
      static const _Tp2& __const_get(const std::pair<_Tp1, _Tp2>& __pair)
      { return __pair.second; }
    };

  template<int _Int, class _Tp1, class _Tp2>
    inline typename tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&
    get(std::pair<_Tp1, _Tp2>& __in)
    { return __pair_get<_Int>::__get(__in); }

  template<int _Int, class _Tp1, class _Tp2>
    inline const typename tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&
    get(const std::pair<_Tp1, _Tp2>& __in)
    { return __pair_get<_Int>::__const_get(__in); }

_GLIBCXX_END_NAMESPACE_VERSION
}
}