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2015-05-20 François Dumont <fdumont@gcc.gnu.org>

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* include/bits/cpp_type_traits.h
	(std::move_iterator): Delete declaration.
	(std::__is_move_iterator<move_iterator>): Move partial specialization...
	* include/bits/stl_iterator.h: ... here.
	(std::__miter_base): Overloads for std::reverse_iterator and
	std::move_iterator.
	* include/bits/stl_algobase.h (std::__miter_base): Provide default
	implementation.

From-SVN: r223453
This commit is contained in:
François Dumont 2015-05-20 19:02:22 +00:00
parent 91767ed11a
commit fd2ef11714
4 changed files with 38 additions and 21 deletions
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11
libstdc++-v3/ChangeLog
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@ -1,3 +1,14 @@
2015-05-20 François Dumont <fdumont@gcc.gnu.org>
* include/bits/cpp_type_traits.h
(std::move_iterator): Delete declaration.
(std::__is_move_iterator<move_iterator>): Move partial specialization...
* include/bits/stl_iterator.h: ... here.
(std::__miter_base): Overloads for std::reverse_iterator and
std::move_iterator.
* include/bits/stl_algobase.h (std::__miter_base): Provide default
implementation.
2015-05-20 Jonathan Wakely <jwakely@redhat.com>
* testsuite/util/testsuite_fs.h (nonexistent_path): Don't use tempnam.

12
libstdc++-v3/include/bits/cpp_type_traits.h
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@ -399,18 +399,6 @@ __INT_N(__GLIBCXX_TYPE_INT_N_3)
typedef __false_type __type;
};
#if __cplusplus >= 201103L
template<typename _Iterator>
class move_iterator;
template<typename _Iterator>
struct __is_move_iterator< move_iterator<_Iterator> >
{
enum { __value = 1 };
typedef __true_type __type;
};
#endif
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace

12
libstdc++-v3/include/bits/stl_algobase.h
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@ -277,17 +277,11 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
__niter_base(_Iterator __it)
{ return __it; }
// If _Iterator is a move_iterator return its base otherwise return it
// untouched. See copy, fill, ...
// Likewise for move_iterator.
template<typename _Iterator>
struct _Miter_base
: _Iter_base<_Iterator, __is_move_iterator<_Iterator>::__value>
{ };
template<typename _Iterator>
inline typename _Miter_base<_Iterator>::iterator_type
inline _Iterator
__miter_base(_Iterator __it)
{ return std::_Miter_base<_Iterator>::_S_base(__it); }
{ return __it; }
// All of these auxiliary structs serve two purposes. (1) Replace
// calls to copy with memmove whenever possible. (Memmove, not memcpy,

24
libstdc++-v3/include/bits/stl_iterator.h
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@ -414,6 +414,17 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
__niter_base(reverse_iterator<_Iterator> __it)
-> decltype(__make_reverse_iterator(__niter_base(__it.base())))
{ return __make_reverse_iterator(__niter_base(__it.base())); }
template<typename _Iterator>
struct __is_move_iterator<reverse_iterator<_Iterator> >
: __is_move_iterator<_Iterator>
{ };
template<typename _Iterator>
auto
__miter_base(reverse_iterator<_Iterator> __it)
-> decltype(__make_reverse_iterator(__miter_base(__it.base())))
{ return __make_reverse_iterator(__miter_base(__it.base())); }
#endif
// 24.4.2.2.1 back_insert_iterator
@ -1211,6 +1222,19 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
-> decltype(make_move_iterator(__niter_base(__it.base())))
{ return make_move_iterator(__niter_base(__it.base())); }
template<typename _Iterator>
struct __is_move_iterator<move_iterator<_Iterator> >
{
enum { __value = 1 };
typedef __true_type __type;
};
template<typename _Iterator>
auto
__miter_base(move_iterator<_Iterator> __it)
-> decltype(__miter_base(__it.base()))
{ return __miter_base(__it.base()); }
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace