54 lines
		
	
	
		
			918 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			54 lines
		
	
	
		
			918 B
		
	
	
	
		
			C++
		
	
	
	
| //===----------------------------------------------------------------------===//
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| //
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| //                     The LLVM Compiler Infrastructure
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| //
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| // This file is distributed under the University of Illinois Open Source
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| // License. See LICENSE.TXT for details.
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| //
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| //===----------------------------------------------------------------------===//
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| 
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| // <utility>
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| 
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| // template<class T> 
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| //   requires MoveAssignable<T> && MoveConstructible<T> 
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| //   void
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| //   swap(T& a, T& b);
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| 
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| #include <utility>
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| #include <cassert>
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| #ifdef _LIBCPP_MOVE
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| #include <memory>
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| #endif
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| 
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| void
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| test()
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| {
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|     int i = 1;
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|     int j = 2;
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|     std::swap(i, j);
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|     assert(i == 2);
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|     assert(j == 1);
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| }
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| 
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| #ifdef _LIBCPP_MOVE
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| 
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| void
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| test1()
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| {
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|     std::unique_ptr<int> i(new int(1));
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|     std::unique_ptr<int> j(new int(2));
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|     std::swap(i, j);
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|     assert(*i == 2);
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|     assert(*j == 1);
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| }
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| 
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| #endif
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| 
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| int main()
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| {
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|     test();
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| #ifdef _LIBCPP_MOVE
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|     test1();
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| #endif
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| }
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