gcc/libstdc++-v3/testsuite/20_util/bind/83427.cc
2021-01-04 10:26:59 +01:00

32 lines
1.1 KiB
C++

// Copyright (C) 2017-2021 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-options "-std=gnu++17" }
// { dg-do compile { target c++17 } }
#include <functional>
// PR libstdc++/83427
int f() noexcept { return 0; }
auto b = std::bind(f);
static_assert(std::is_same_v<decltype(b)::result_type, int>);
struct X { long f() const & noexcept { return 0L; } };
auto b2 = std::bind(&X::f, X{});
static_assert(std::is_same_v<decltype(b2)::result_type, long>);