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Commit 7933dc2a by Paolo Carlini Committed by Paolo Carlini
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utility: Simplify the last commit, the whole std::get code is C++0x only. 

2011-05-16  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/std/utility: Simplify the last commit, the whole
	std::get code is C++0x only.

From-SVN: r173799
parent 18eeaec4
Showing with 17 additions and 18 deletions
libstdc++-v3/ChangeLog
2011-05-16 Paolo Carlini <paolo.carlini@oracle.com>
* include/std/utility: Simplify the last commit, the whole
std::get code is C++0x only.
2011-05-16 Paolo Carlini <paolo.carlini@oracle.com>
* include/std/utility (get(std::pair<>&&)): Add.
* include/bits/stl_pair.h (pair::swap(pair&),
swap(pair<>&, pair<>&)): Use noexcept.
......
libstdc++-v3/include/std/utility
......@@ -87,7 +87,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
// Various functions which give std::pair a tuple-like interface.
template<class _Tp1, class _Tp2>
struct tuple_size<std::pair<_Tp1, _Tp2> >
struct tuple_size<std::pair<_Tp1, _Tp2>>
{ static const std::size_t value = 2; };
template<class _Tp1, class _Tp2>
......@@ -95,11 +95,11 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
tuple_size<std::pair<_Tp1, _Tp2> >::value;
template<class _Tp1, class _Tp2>
struct tuple_element<0, std::pair<_Tp1, _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> >
struct tuple_element<1, std::pair<_Tp1, _Tp2>>
{ typedef _Tp2 type; };
template<std::size_t _Int>
......@@ -110,19 +110,17 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
{
template<typename _Tp1, typename _Tp2>
static _Tp1&
__get(std::pair<_Tp1, _Tp2>& __pair) _GLIBCXX_NOEXCEPT
__get(std::pair<_Tp1, _Tp2>& __pair) noexcept
{ return __pair.first; }
#ifdef __GXX_EXPERIMENTAL_CXX0X__
template<typename _Tp1, typename _Tp2>
static _Tp1&&
__move_get(std::pair<_Tp1, _Tp2>&& __pair) noexcept
{ return std::forward<_Tp1>(__pair.first); }
#endif
template<typename _Tp1, typename _Tp2>
static const _Tp1&
__const_get(const std::pair<_Tp1, _Tp2>& __pair) _GLIBCXX_NOEXCEPT
__const_get(const std::pair<_Tp1, _Tp2>& __pair) noexcept
{ return __pair.first; }
};
......@@ -131,37 +129,33 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
{
template<typename _Tp1, typename _Tp2>
static _Tp2&
__get(std::pair<_Tp1, _Tp2>& __pair) _GLIBCXX_NOEXCEPT
__get(std::pair<_Tp1, _Tp2>& __pair) noexcept
{ return __pair.second; }
#ifdef __GXX_EXPERIMENTAL_CXX0X__
template<typename _Tp1, typename _Tp2>
static _Tp2&&
__move_get(std::pair<_Tp1, _Tp2>&& __pair) noexcept
{ return std::forward<_Tp2>(__pair.second); }
#endif
template<typename _Tp1, typename _Tp2>
static const _Tp2&
__const_get(const std::pair<_Tp1, _Tp2>& __pair) _GLIBCXX_NOEXCEPT
__const_get(const std::pair<_Tp1, _Tp2>& __pair) noexcept
{ return __pair.second; }
};
template<std::size_t _Int, class _Tp1, class _Tp2>
inline typename tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&
get(std::pair<_Tp1, _Tp2>& __in) _GLIBCXX_NOEXCEPT
inline typename tuple_element<_Int, std::pair<_Tp1, _Tp2>>::type&
get(std::pair<_Tp1, _Tp2>& __in) noexcept
{ return __pair_get<_Int>::__get(__in); }
#ifdef __GXX_EXPERIMENTAL_CXX0X__
template<std::size_t _Int, class _Tp1, class _Tp2>
inline typename tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&&
inline typename tuple_element<_Int, std::pair<_Tp1, _Tp2>>::type&&
get(std::pair<_Tp1, _Tp2>&& __in) noexcept
{ return __pair_get<_Int>::__move_get(std::move(__in)); }
#endif
template<std::size_t _Int, class _Tp1, class _Tp2>
inline const typename tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&
get(const std::pair<_Tp1, _Tp2>& __in) _GLIBCXX_NOEXCEPT
inline const typename tuple_element<_Int, std::pair<_Tp1, _Tp2>>::type&
get(const std::pair<_Tp1, _Tp2>& __in) noexcept
{ return __pair_get<_Int>::__const_get(__in); }
_GLIBCXX_END_NAMESPACE_VERSION
......
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