ceph/src/boost/libs/foreach/test/dependent_type.cpp

   1 //  (C) Copyright Eric Niebler 2005.
   2 //  Use, modification and distribution are subject to the
   3 //  Boost Software License, Version 1.0. (See accompanying file
   4 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 /*
   7   Revision history:
   8   26 August 2005 : Initial version.
   9 */
  10
  11 #include <vector>
  12 #include <boost/test/minimal.hpp>
  13 #include <boost/foreach.hpp>
  14
  15 ///////////////////////////////////////////////////////////////////////////////
  16 // use FOREACH to iterate over a sequence with a dependent type
  17 template<typename Vector>
  18 void do_test(Vector const & vect)
  19 {
  20     typedef BOOST_DEDUCED_TYPENAME Vector::value_type value_type;
  21     BOOST_FOREACH(value_type i, vect)
  22     {
  23         // no-op, just make sure this compiles
  24         ((void)i);
  25     }
  26 }
  27
  28 ///////////////////////////////////////////////////////////////////////////////
  29 // test_main
  30 //
  31 int test_main( int, char*[] )
  32 {
  33     std::vector<int> vect;
  34     do_test(vect);
  35
  36     return 0;
  37 }