external/bsd/libc++/dist/libcxx/test/containers/test_hash.h

   1 #ifndef TEST_HASH_H
   2 #define TEST_HASH_H
   3
   4 #include <cstddef>
   5 #include <type_traits>
   6
   7 template <class C>
   8 class test_hash
   9     : private C
  10 {
  11     int data_;
  12 public:
  13     explicit test_hash(int data = 0) : data_(data) {}
  14
  15     std::size_t
  16     operator()(typename std::add_lvalue_reference<const typename C::argument_type>::type x) const
  17         {return C::operator()(x);}
  18
  19     bool operator==(const test_hash& c) const
  20         {return data_ == c.data_;}
  21 };
  22
  23 #endif  // TEST_HASH_H