 7175a07921
			
		
	
	7175a07921
	
	
	
		
			
			Summary: This patch adds the second revision of <experimental/any>. I've been working from the LFTS draft found at this link. https://rawgit.com/cplusplus/fundamentals-ts/v1/fundamentals-ts.html#any Reviewers: danalbert, jroelofs, K-ballo, mclow.lists Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D6762 git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@243728 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			45 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| //===----------------------------------------------------------------------===//
 | |
| //
 | |
| //                     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
 | |
| 
 | |
| // <experimental/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 <experimental/any>
 | |
| 
 | |
| using std::experimental::any;
 | |
| using std::experimental::any_cast;
 | |
| 
 | |
| struct no_copy
 | |
| {
 | |
|     no_copy() {}
 | |
|     no_copy(no_copy &&) {}
 | |
| private:
 | |
|     no_copy(no_copy const &);
 | |
| };
 | |
| 
 | |
| int main() {
 | |
|     any a;
 | |
|     any_cast<no_copy>(static_cast<any&>(a));
 | |
|     any_cast<no_copy>(static_cast<any const&>(a));
 | |
|     any_cast<no_copy>(static_cast<any &&>(a));
 | |
|     // expected-error@experimental/any:* 3 {{static_assert failed "_ValueType is required to be a reference or a CopyConstructible type."}}
 | |
|     // expected-error@experimental/any:* 3 {{calling a private constructor of class 'no_copy'}}
 | |
| } |