93e954005f
* include/std/functional (__invoke_impl): New overloads. (__invoke): Replace with a single function calling __invoke_impl. (invoke): Add C++17 std::invoke. (reference_wrapper::operator()): Qualify call to __invoke. (_Mem_fn_traits_base, _Mem_fn_traits): Remove unused typedefs. (_Mem_fn_base): Remove unused typedefs and implement call operator in terms of __invoke. * include/std/future (__future_base::_Async_state_commonV2): Do not pass reference_wrapper as object argument to call_once. * include/std/type_traits (result_of): Define nested __invoke_type. Handle reference_wrapper as per LWG 2219. * testsuite/20_util/bind/ref_neg.cc: Adjust dg-error directives. * testsuite/20_util/function_objects/mem_fn/55463.cc: Remove tests using member functions of reference_wrapper. From-SVN: r229290
63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
// Copyright (C) 2010-2015 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// 20.8.9 Function template bind
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// { dg-do compile }
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// { dg-options "-std=gnu++11" }
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#include <functional>
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using namespace std::placeholders;
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int inc(int& i) { return ++i; }
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void test01()
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{
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const int dummy = 0;
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std::bind(&inc, _1)(0); // { dg-error "no match" }
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std::bind(&inc, std::ref(dummy))(); // { dg-error "no match" }
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}
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struct Inc
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{
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int operator()(int& i) const { return ++i; }
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void operator()(int&&) const { }
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int f(int&& i) const { return ++i; }
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};
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void test02()
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{
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const int dummy = 0;
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std::bind(Inc(), _1)(dummy); // { dg-error "no match" }
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std::bind(&Inc::f, Inc(), std::ref(dummy))(); // { dg-error "no match" }
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// { dg-error "no match" "" { target *-*-* } 594 }
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// { dg-error "no type" "" { target *-*-* } 237 }
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}
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// { dg-error "rvalue|const" "" { target *-*-* } 1024 }
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// { dg-error "rvalue|const" "" { target *-*-* } 1038 }
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// { dg-error "rvalue|const" "" { target *-*-* } 1052 }
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// { dg-error "rvalue|const" "" { target *-*-* } 1066 }
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int main()
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{
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test01();
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test02();
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}
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