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re PR libstdc++/23978 (tr1::tie doesn't work with std::pair)

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2005-09-29  Chris Jefferson <chris@bubblescope.net>

	PR libstdc++/23978
	* include/tr1/functional (ref, cref): Make inline.
	* include/tr1/tuple_iterate.h (tuple): Add operator=(std::pair).
	(tie): Correct formatting.
	(make_tuple): Make inline.
	* testsuite/tr1/6_containers/tuple/creation_functions/23978.cc: New.

From-SVN: r104784
This commit is contained in:
Chris Jefferson 2005-09-29 17:42:42 +00:00 committed by Paolo Carlini
parent 2cff1b3e09
commit 2bd8e92c33
4 changed files with 77 additions and 12 deletions
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9
libstdc++-v3/ChangeLog
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@ -1,3 +1,12 @@
2005-09-29 Chris Jefferson <chris@bubblescope.net>
PR libstdc++/23978
* include/tr1/functional (ref, cref): Make inline.
* include/tr1/tuple_iterate.h (tuple): Add operator=(std::pair).
(tie): Correct formatting.
(make_tuple): Make inline.
* testsuite/tr1/6_containers/tuple/creation_functions/23978.cc: New.
2005-09-25 Benjamin Kosnik <bkoz@redhat.com>
Eric Botcazou <ebotcazou@libertysurf.fr>

10
libstdc++-v3/include/tr1/functional
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@ -372,22 +372,24 @@ namespace tr1
// Denotes a reference should be taken to a variable.
template<typename _Tp>
reference_wrapper<_Tp>
inline reference_wrapper<_Tp>
ref(_Tp& __t)
{ return reference_wrapper<_Tp>(__t); }
// Denotes a const reference should be taken to a variable.
template<typename _Tp>
reference_wrapper<const _Tp>
inline reference_wrapper<const _Tp>
cref(const _Tp& __t)
{ return reference_wrapper<const _Tp>(__t); }
template<typename _Tp>
reference_wrapper<_Tp> ref(reference_wrapper<_Tp> __t)
inline reference_wrapper<_Tp>
ref(reference_wrapper<_Tp> __t)
{ return ref(__t.get()); }
template<typename _Tp>
reference_wrapper<const _Tp> cref(reference_wrapper<_Tp> __t)
inline reference_wrapper<const _Tp>
cref(reference_wrapper<_Tp> __t)
{ return cref(__t.get()); }
template<typename _Tp, bool>

23
libstdc++-v3/include/tr1/tuple_iterate.h
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@ -53,11 +53,18 @@ template<_GLIBCXX_TEMPLATE_PARAMS>
{ }
#if _GLIBCXX_NUM_ARGS == 2
template<class _U1, class _U2>
tuple(const std::pair<_U1, _U2>& __u):
_M_arg1(__u.first), _M_arg2(__u.second)
{ }
template<typename _U1, typename _U2>
tuple(const std::pair<_U1, _U2>& __u) :
_M_arg1(__u.first), _M_arg2(__u.second)
{ }
template<typename _U1, typename _U2>
tuple&
operator=(const std::pair<_U1, _U2>& __u)
{
_M_arg1 = __u.first;
_M_arg2 = __u.second;
}
#endif
#if _GLIBCXX_NUM_ARGS > 0
@ -137,14 +144,14 @@ tuple<>
inline make_tuple()
{ return tuple<>(); }
inline tuple<>
tie()
tuple<>
inline tie()
{ return tuple<>(); }
#else
template<_GLIBCXX_TEMPLATE_PARAMS>
typename __stripped_tuple_type<_GLIBCXX_TEMPLATE_ARGS>::__type
make_tuple(_GLIBCXX_PARAMS)
inline make_tuple(_GLIBCXX_PARAMS)
{
return typename __stripped_tuple_type<_GLIBCXX_TEMPLATE_ARGS>::
__type(_GLIBCXX_ARGS);
@ -152,7 +159,7 @@ template<_GLIBCXX_TEMPLATE_PARAMS>
template<_GLIBCXX_TEMPLATE_PARAMS>
tuple<_GLIBCXX_REF_TEMPLATE_ARGS>
tie(_GLIBCXX_REF_PARAMS)
inline tie(_GLIBCXX_REF_PARAMS)
{ return make_tuple(_GLIBCXX_REF_WRAP_PARAMS); }
#endif

47
libstdc++-v3/testsuite/tr1/6_containers/tuple/creation_functions/23978.cc Normal file
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@ -0,0 +1,47 @@
// 2005-09-29 Chris Jefferson <chris@bubblescope.net>
//
// Copyright (C) 2005 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
// Tuple
#include <tr1/tuple>
#include <tr1/utility>
#include <testsuite_hooks.h>
using namespace std;
using namespace tr1;
// libstdc++/23978
void test01()
{
bool test __attribute__((unused)) = true;
pair<int, int> p(1, 2);
int x = 0;
int y = 0;
tie(x, y) = p;
VERIFY( x == 1 && y == 2 );
}
int
main()
{
test01();
return 0;
}