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37 lines
1.1 KiB
C++
37 lines
1.1 KiB
C++
// { dg-do compile { target c++11 } }
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//
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// Copyright (C) 2012-2019 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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//
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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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//
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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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// 20.8.11 polymorphic function object wrapper
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#include <functional>
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struct X { void f() { } };
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void (X::*p)() = &X::f;
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void (X::* volatile& vp)() = p;
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typedef std::function<void(X&)> function_type;
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void test01()
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{
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function_type f( vp );
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function_type f2( std::ref(vp) );
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function_type f3( std::cref(vp) );
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}
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