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// { dg-do compile { target c++11 } }
// Copyright (C) 2012-2018 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 <functional>
#include <type_traits>
struct X {
int i;
void f1() { }
void f2() volatile { }
};
typedef int X::*pm;
typedef void (X::*pmf1)();
typedef void (X::*pmf2)() volatile;
typedef std::result_of<pm const&(X&)>::type result;
static_assert(std::is_same<result, int&>::value,
"invoking cv-qualified pointer-to-member-object");
typedef std::result_of<pmf1 const&(X&)>::type result1;
static_assert(std::is_void<result1>::value,
"invoking cv-qualified pointer-to-member-function");
typedef std::result_of<pmf2 const&(X&)>::type result2;
static_assert(std::is_void<result2>::value,
"invoking cv-qualified pointer-to-member-function");
typedef std::result_of<pm(volatile X&)>::type result3;
static_assert(std::is_same<result3, volatile int&>::value,
"invoking pointer-to-member-object on volatile object");
typedef std::result_of<pmf2(volatile X&)>::type result4;
static_assert(std::is_void<result4>::value,
"invoking pointer-to-member-function on volatile object");
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