// { dg-options "-std=gnu++17" } // { dg-do run } // Copyright (C) 2014-2019 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 // . #include #include using std::any; using std::any_cast; bool moved = false; bool copied = false; struct X { X() = default; X(const X&) { copied = true; } X(X&& x) { moved = true; } }; struct X2 { X2() = default; X2(const X2&) { copied = true; } X2(X2&& x) noexcept { moved = true; } }; void test01() { moved = false; X x; any a1(x); VERIFY(moved == false); any a2(std::move(x)); VERIFY(moved == true); } void test02() { moved = false; X x; any a1(x); VERIFY(moved == false); copied = false; any a2(std::move(a1)); VERIFY(copied == false); } void test03() { moved = false; X2 x; any a1(x); VERIFY(moved == false); copied = false; any a2(std::move(a1)); VERIFY(copied == false); VERIFY(moved == true); } int main() { test01(); test02(); test03(); }