Home | History | Annotate | Download | only in vector.bool
      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 // <functional>
     11 
     12 // template <class T>
     13 // struct hash
     14 //     : public unary_function<T, size_t>
     15 // {
     16 //     size_t operator()(T val) const;
     17 // };
     18 
     19 // Not very portable
     20 
     21 #include <vector>
     22 #include <cassert>
     23 #include <type_traits>
     24 
     25 #include "min_allocator.h"
     26 
     27 int main()
     28 {
     29     {
     30     typedef std::vector<bool> T;
     31     typedef std::hash<T> H;
     32     static_assert((std::is_base_of<std::unary_function<T, std::size_t>,
     33                                    H>::value), "");
     34     bool ba[] = {true, false, true, true, false};
     35     T vb(std::begin(ba), std::end(ba));
     36     H h;
     37     assert(h(vb) != 0);
     38     }
     39 #if __cplusplus >= 201103L
     40     {
     41     typedef std::vector<bool, min_allocator<bool>> T;
     42     typedef std::hash<T> H;
     43     static_assert((std::is_base_of<std::unary_function<T, std::size_t>,
     44                                    H>::value), "");
     45     bool ba[] = {true, false, true, true, false};
     46     T vb(std::begin(ba), std::end(ba));
     47     H h;
     48     assert(h(vb) != 0);
     49     }
     50 #endif
     51 }
     52