Retro68/gcc/libstdc++-v3/testsuite/20_util/result_of/requirements/typedefs.cc

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// { dg-options "-std=gnu++1y" }
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// { dg-do compile }
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// Copyright (C) 2013-2014 Free Software Foundation, Inc.
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//
// 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 <type_traits>
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using namespace std;
using F1 = char(*)(char);
static_assert( is_same<result_of<F1(int)>::type, result_of_t<F1(int)>>(),
"result_of_t<F1(int)>" );
struct X { };
using F2 = int X::*;
static_assert( is_same<result_of<F2(X)>::type, result_of_t<F2(X)>>(),
"result_of_t<F2(X)>" );