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      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 // <iterator>
     11 
     12 // front_insert_iterator
     13 
     14 // front_insert_iterator<Cont>&
     15 //   operator=(Cont::value_type&& value);
     16 
     17 #include <iterator>
     18 
     19 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     20 
     21 #include <list>
     22 #include <memory>
     23 #include <cassert>
     24 
     25 template <class C>
     26 void
     27 test(C c)
     28 {
     29     std::front_insert_iterator<C> i(c);
     30     i = typename C::value_type();
     31     assert(c.front() == typename C::value_type());
     32 }
     33 
     34 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     35 
     36 int main()
     37 {
     38 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     39     test(std::list<std::unique_ptr<int> >());
     40 #endif
     41 }
     42