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// { dg-options "-std=gnu++2a" }
// { dg-do run { target c++2a } }
// Copyright (C) 2018 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 3, 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 COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <string>
#include <testsuite_hooks.h>
void
test01()
{
auto is_vowel = [](const char c)
{
return c == 'a' || c == 'e' || c == 'i' || c == 'o' || c == 'u';
};
std::string str("cute fluffy kittens");
auto num = std::erase_if(str, is_vowel);
VERIFY( str == "ct flffy kttns" );
VERIFY( num == 5 );
}
void
test02()
{
std::string str = "cute fluffy kittens";
auto num = std::erase(str, 'f');
VERIFY( str == "cute luy kittens" );
VERIFY( num == 3 );
num = std::erase(str, 'z');
VERIFY( str == "cute luy kittens" );
VERIFY( num == 0 );
}
int
main()
{
test01();
test02();
return 0;
}
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