| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++98, c++03, c++11, c++14 |
| |
| // <any> |
| |
| // template <class ValueType> |
| // ValueType const any_cast(any const&); |
| // |
| // template <class ValueType> |
| // ValueType any_cast(any &); |
| // |
| // template <class ValueType> |
| // ValueType any_cast(any &&); |
| |
| // Test instantiating the any_cast with a non-copyable type. |
| |
| #include <any> |
| |
| using std::any; |
| using std::any_cast; |
| |
| struct no_copy |
| { |
| no_copy() {} |
| no_copy(no_copy &&) {} |
| no_copy(no_copy const &) = delete; |
| }; |
| |
| struct no_move { |
| no_move() {} |
| no_move(no_move&&) = delete; |
| no_move(no_move const&) {} |
| }; |
| |
| int main() { |
| any a; |
| // expected-error-re@any:* {{static_assert failed{{.*}} "ValueType is required to be an lvalue reference or a CopyConstructible type"}} |
| // expected-error@any:* {{static_cast from 'no_copy' to 'no_copy' uses deleted function}} |
| any_cast<no_copy>(static_cast<any&>(a)); // expected-note {{requested here}} |
| |
| // expected-error-re@any:* {{static_assert failed{{.*}} "ValueType is required to be a const lvalue reference or a CopyConstructible type"}} |
| // expected-error@any:* {{static_cast from 'const no_copy' to 'no_copy' uses deleted function}} |
| any_cast<no_copy>(static_cast<any const&>(a)); // expected-note {{requested here}} |
| |
| any_cast<no_copy>(static_cast<any &&>(a)); // OK |
| |
| // expected-error-re@any:* {{static_assert failed{{.*}} "ValueType is required to be an rvalue reference or a CopyConstructible type"}} |
| // expected-error@any:* {{static_cast from 'typename remove_reference<no_move &>::type' (aka 'no_move') to 'no_move' uses deleted function}} |
| any_cast<no_move>(static_cast<any &&>(a)); |
| } |
