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// Copyright (C) 2016-2023 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 { target c++11 } }
#include <functional>
struct abstract {
virtual ~abstract() = 0;
void operator()() noexcept;
};
static_assert( noexcept(std::__invoke(std::declval<abstract>())),
"It should be possible to use abstract types with INVOKE" );
struct F {
void operator()() &;
void operator()() && noexcept;
int operator()(int);
double* operator()(int, int) noexcept;
};
struct D { D(void*); };
static_assert( !noexcept(std::__invoke(std::declval<F&>())), "" );
static_assert( noexcept(std::__invoke(std::declval<F>())), "" );
static_assert( !noexcept(std::__invoke(std::declval<F>(), 1)), "" );
static_assert( noexcept(std::__invoke(std::declval<F>(), 1, 2)), "" );
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