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type_traits: Implement remove_extent and remove_all_extents.

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2004-12-09  Paolo Carlini  <pcarlini@suse.de>

	* include/tr1/type_traits: Implement remove_extent and
	remove_all_extents.
	* testsuite/tr1/4_metaprogramming/array_modifications/
	remove_all_extents.cc: New.
	* testsuite/tr1/4_metaprogramming/array_modifications/
	remove_extent.cc: Likewise.

From-SVN: r91958
This commit is contained in:
Paolo Carlini 2004-12-09 17:54:27 +00:00 committed by Paolo Carlini
parent 88d6095610
commit 366e6bd173
4 changed files with 149 additions and 3 deletions
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9
libstdc++-v3/ChangeLog
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@ -1,3 +1,12 @@
2004-12-09 Paolo Carlini <pcarlini@suse.de>
* include/tr1/type_traits: Implement remove_extent and
remove_all_extents.
* testsuite/tr1/4_metaprogramming/array_modifications/
remove_all_extents.cc: New.
* testsuite/tr1/4_metaprogramming/array_modifications/
remove_extent.cc: Likewise.
2004-12-08 Paolo Carlini <pcarlini@suse.de>
* include/tr1/type_traits: Implement is_same, add_reference and

36
libstdc++-v3/include/tr1/type_traits
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@ -300,10 +300,40 @@ namespace tr1
/// @brief array modififications [4.7.3].
template<typename _Tp>
struct remove_extent;
struct remove_extent
{
typedef _Tp type;
};
template<typename _Tp, std::size_t _Size>
struct remove_extent<_Tp[_Size]>
{
typedef _Tp type;
};
template<typename _Tp>
struct remove_all_extents;
struct remove_extent<_Tp[]>
{
typedef _Tp type;
};
template<typename _Tp>
struct remove_all_extents
{
typedef _Tp type;
};
template<typename _Tp, std::size_t _Size>
struct remove_all_extents<_Tp[_Size]>
{
typedef typename remove_all_extents<_Tp>::type type;
};
template<typename _Tp>
struct remove_all_extents<_Tp[]>
{
typedef typename remove_all_extents<_Tp>::type type;
};
/// @brief pointer modifications [4.7.4].
template<typename _Tp>

54
libstdc++-v3/testsuite/tr1/4_metaprogramming/array_modifications/remove_all_extents.cc Normal file
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@ -0,0 +1,54 @@
// 2004-12-09 Paolo Carlini <pcarlini@suse.de>
//
// Copyright (C) 2004 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 4.7.3 Array modifications
#include <tr1/type_traits>
#include <testsuite_hooks.h>
#include <testsuite_tr1.h>
void test01()
{
bool test __attribute__((unused)) = true;
using std::tr1::remove_all_extents;
using std::tr1::is_same;
using namespace __gnu_test;
VERIFY( (is_same<remove_all_extents<int>::type, int>::value) );
VERIFY( (is_same<remove_all_extents<int[2]>::type, int>::value) );
VERIFY( (is_same<remove_all_extents<int[2][3]>::type, int>::value) );
VERIFY( (is_same<remove_all_extents<int[][3]>::type, int>::value) );
VERIFY( (is_same<remove_all_extents<const int[2][3]>::type,
const int>::value) );
VERIFY( (is_same<remove_all_extents<ClassType>::type, ClassType>::value) );
VERIFY( (is_same<remove_all_extents<ClassType[2]>::type, ClassType>::value) );
VERIFY( (is_same<remove_all_extents<ClassType[2][3]>::type,
ClassType>::value) );
VERIFY( (is_same<remove_all_extents<ClassType[][3]>::type,
ClassType>::value) );
VERIFY( (is_same<remove_all_extents<const ClassType[2][3]>::type,
const ClassType>::value) );
}
int main()
{
test01();
return 0;
}

53
libstdc++-v3/testsuite/tr1/4_metaprogramming/array_modifications/remove_extent.cc Normal file
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@ -0,0 +1,53 @@
// 2004-12-09 Paolo Carlini <pcarlini@suse.de>
//
// Copyright (C) 2004 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 4.7.3 Array modifications
#include <tr1/type_traits>
#include <testsuite_hooks.h>
#include <testsuite_tr1.h>
void test01()
{
bool test __attribute__((unused)) = true;
using std::tr1::remove_extent;
using std::tr1::is_same;
using namespace __gnu_test;
VERIFY( (is_same<remove_extent<int>::type, int>::value) );
VERIFY( (is_same<remove_extent<int[2]>::type, int>::value) );
VERIFY( (is_same<remove_extent<int[2][3]>::type, int[3]>::value) );
VERIFY( (is_same<remove_extent<int[][3]>::type, int[3]>::value) );
VERIFY( (is_same<remove_extent<const int[2]>::type, const int>::value) );
VERIFY( (is_same<remove_extent<ClassType>::type, ClassType>::value) );
VERIFY( (is_same<remove_extent<ClassType[2]>::type, ClassType>::value) );
VERIFY( (is_same<remove_extent<ClassType[2][3]>::type,
ClassType[3]>::value) );
VERIFY( (is_same<remove_extent<ClassType[][3]>::type,
ClassType[3]>::value) );
VERIFY( (is_same<remove_extent<const ClassType[2]>::type,
const ClassType>::value) );
}
int main()
{
test01();
return 0;
}