gcc/testsuite/g++.dg/template/array21.C

   1 // PR c++/42447
   2
   3 template<int>
   4   void* get(int);
   5
   6 template<typename>
   7   struct unique_ptr;
   8
   9 template<typename _Tp>
  10   struct unique_ptr<_Tp[]>
  11   {
  12     typedef int __tuple_type;
  13
  14     void*
  15     get() const
  16     { return ::get<0>(_M_t); }
  17
  18     __tuple_type _M_t;
  19   };
  20
  21 template <typename T> class dynamic_dispatch;
  22
  23 template <typename TC>
  24   struct dynamic_dispatch<void (TC::*)(int&)>
  25   {
  26     struct entry { };
  27     unique_ptr<entry[]> m_Start;
  28
  29     template <typename UC>
  30       void attach_handler(void (UC::*m)(int&))
  31       {
  32         entry* p = 0;
  33         do {
  34         } while(--p != m_Start.get());
  35       }
  36   };
  37
  38 template <typename TC>
  39   class request_dispatcher
  40   : private dynamic_dispatch<void (TC::*)(int&)>
  41   { request_dispatcher(); };
  42
  43 struct file_reader
  44 {
  45   void execute_command(int&);
  46 };
  47
  48 template <>
  49   request_dispatcher<file_reader>::request_dispatcher()
  50   { this->attach_handler(&file_reader::execute_command); }