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48 lines
1.2 KiB
C++
48 lines
1.2 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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// PR c++/57899
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// { dg-do compile { target c++11 } }
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#include <functional>
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using std::bind;
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using std::placeholders::_1;
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struct S { int i; };
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struct P { S s; };
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struct get_s
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{
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const S& operator()(const P& p) const { return p.s; }
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} gs;
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int gi(const S& s) { return s.i; }
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bool cmp(int, int) { return true; }
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int main()
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{
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P p{};
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auto f1 = bind(gs, _1);
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auto f2 = bind(gi, f1);
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auto f3 = bind(cmp, f2, 5);
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f3(p);
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}
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