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vstring.h (__versa_string<>::front, [...]): Add.

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2007-10-16  Paolo Carlini  <pcarlini@suse.de>

	* include/ext/vstring.h (__versa_string<>::front, 
	__versa_string<>::back): Add.
	* testsuite/ext/vstring/element_access/char/front_back.cc: New.
	* testsuite/ext/vstring/element_access/wchar_t/front_back.cc: Likewise.

From-SVN: r129399
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Paolo Carlini 2007-10-17 00:46:27 +00:00 committed by Paolo Carlini
parent 9bc5275f3c
commit 07d8d70f3f
4 changed files with 129 additions and 0 deletions
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7
libstdc++-v3/ChangeLog
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@ -1,3 +1,10 @@
2007-10-16 Paolo Carlini <pcarlini@suse.de>
* include/ext/vstring.h (__versa_string<>::front,
__versa_string<>::back): Add.
* testsuite/ext/vstring/element_access/char/front_back.cc: New.
* testsuite/ext/vstring/element_access/wchar_t/front_back.cc: Likewise.
2007-10-16 Paolo Carlini <pcarlini@suse.de>
* include/bits/stl_queue.h (queue<>::queue(_Sequence&&),

34
libstdc++-v3/include/ext/vstring.h
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@ -558,6 +558,40 @@ _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
return this->_M_data()[__n];
}
#ifdef __GXX_EXPERIMENTAL_CXX0X__
/**
* Returns a read/write reference to the data at the first
* element of the %string.
*/
reference
front()
{ return *begin(); }
/**
* Returns a read-only (constant) reference to the data at the first
* element of the %string.
*/
const_reference
front() const
{ return *begin(); }
/**
* Returns a read/write reference to the data at the last
* element of the %string.
*/
reference
back()
{ return *(end() - 1); }
/**
* Returns a read-only (constant) reference to the data at the
* last element of the %string.
*/
const_reference
back() const
{ return *(end() - 1); }
#endif
// Modifiers:
/**
* @brief Append a string to this string.

44
libstdc++-v3/testsuite/ext/vstring/element_access/char/front_back.cc Normal file
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@ -0,0 +1,44 @@
// { dg-options "-std=gnu++0x" }
// 2007-10-16 Paolo Carlini <pcarlini@suse.de>
// Copyright (C) 2007 Free Software Foundation
//
// 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.
#include <ext/vstring.h>
#include <testsuite_hooks.h>
void test01()
{
using namespace std;
bool test __attribute__((unused)) = true;
__gnu_cxx::__vstring str("ramifications");
const __gnu_cxx::__vstring cstr("melodien");
VERIFY( str.front() == 'r' );
VERIFY( str.back() == 's' );
VERIFY( cstr.front() == 'm' );
VERIFY( cstr.back() == 'n' );
}
int main()
{
test01();
return 0;
}

44
libstdc++-v3/testsuite/ext/vstring/element_access/wchar_t/front_back.cc Normal file
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@ -0,0 +1,44 @@
// { dg-options "-std=gnu++0x" }
// 2007-10-16 Paolo Carlini <pcarlini@suse.de>
// Copyright (C) 2007 Free Software Foundation
//
// 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.
#include <ext/vstring.h>
#include <testsuite_hooks.h>
void test01()
{
using namespace std;
bool test __attribute__((unused)) = true;
__gnu_cxx::__wvstring str(L"ramifications");
const __gnu_cxx::__wvstring cstr(L"melodien");
VERIFY( str.front() == L'r' );
VERIFY( str.back() == L's' );
VERIFY( cstr.front() == L'm' );
VERIFY( cstr.back() == L'n' );
}
int main()
{
test01();
return 0;
}