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54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// test forward
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#include <utility>
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#include "test_macros.h"
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struct A
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{
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};
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A source() {return A();}
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const A csource() {return A();}
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int main()
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{
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#if TEST_STD_VER >= 11
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{
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std::forward<A&>(source()); // expected-note {{requested here}}
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// expected-error-re@type_traits:* 1 {{static_assert failed{{.*}} "can not forward an rvalue as an lvalue"}}
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}
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#else
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{
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std::forward<A&>(source()); // expected-error {{no matching function for call to 'forward'}}
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}
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#endif
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{
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const A ca = A();
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std::forward<A&>(ca); // expected-error {{no matching function for call to 'forward'}}
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}
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{
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std::forward<A&>(csource()); // expected-error {{no matching function for call to 'forward'}}
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}
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{
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const A ca = A();
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std::forward<A>(ca); // expected-error {{no matching function for call to 'forward'}}
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}
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{
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std::forward<A>(csource()); // expected-error {{no matching function for call to 'forward'}}
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}
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{
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A a;
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std::forward(a); // expected-error {{no matching function for call to 'forward'}}
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}
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}
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