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60 lines
1.4 KiB
C++
60 lines
1.4 KiB
C++
// Copyright (C) 2010-2020 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// 20.7.11 Function template bind
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// { dg-do run { target c++11 } }
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#include <functional>
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#include <testsuite_hooks.h>
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using namespace std::placeholders;
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int inc(int& i) { return ++i; }
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void test01()
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{
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int counter = 0;
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std::bind(&inc, _1)(counter);
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VERIFY(counter == 1 );
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std::bind(&inc, std::ref(counter))();
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VERIFY(counter == 2 );
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}
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struct Inc
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{
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int operator()(int& i) const { return ++i; }
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void operator()(int&&) const { }
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int f(int& i) const { return ++i; }
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};
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void test02()
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{
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int counter = 0;
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std::bind(Inc(), _1)(counter);
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VERIFY(counter == 1 );
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std::bind(&Inc::f, Inc(), std::ref(counter))();
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VERIFY(counter == 2 );
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}
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int main()
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{
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test01();
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test02();
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}
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