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// Copyright (C) 2011-2015 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/>.
// { dg-do compile }
// { dg-options "-std=gnu++11" }
#include <functional>
struct X
{
int operator()() const { return 0; }
int operator()() volatile { return 1; }
int operator()() const volatile { return 2; }
void operator()() { };
};
void test01()
{
static_assert( std::is_placeholder<decltype(std::placeholders::_1)>::value,
"decltype(_1) is a placeholder type" );
const auto b0 = std::bind(X());
static_assert( std::is_bind_expression<decltype(b0)>::value,
"const-qualified wrapper is a bind expression" );
volatile auto b1 = std::bind(X());
static_assert( std::is_bind_expression<decltype(b1)>::value,
"volatile-qualified wrapper is a bind expression" );
const volatile auto b2 = std::bind(X());
static_assert( std::is_bind_expression<decltype(b2)>::value,
"const-volatile-qualified wrapper is a bind expression" );
const auto b3 = std::bind<int>(X());
static_assert( std::is_bind_expression<decltype(b3)>::value,
"const-qualified wrapper is a bind expression" );
volatile auto b4 = std::bind<int>(X());
static_assert( std::is_bind_expression<decltype(b4)>::value,
"volatile-qualified wrapper is a bind expression" );
const volatile auto b5 = std::bind<int>(X());
static_assert( std::is_bind_expression<decltype(b5)>::value,
"const-volatile-qualified wrapper is a bind expression" );
}
int main()
{
test01();
return 0;
}
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