boost/fusion/algorithm/query/count.hpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2006 Joel de Guzman
   3     Copyright (c) 2007
   4
   5     Distributed under the Boost Software License, Version 1.0. (See accompanying
   6     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   7 ==============================================================================*/
   8 #if !defined(BOOST_FUSION_COUNT_09162005_0150)
   9 #define BOOST_FUSION_COUNT_09162005_0150
  10
  11 #include <boost/fusion/algorithm/query/count_if.hpp>
  12 #include <boost/fusion/algorithm/query/detail/count.hpp>
  13
  14 namespace boost { namespace fusion
  15 {
  16     namespace result_of
  17     {
  18         template <typename Sequence, typename F>
  19         struct count
  20         {
  21             typedef int type;
  22         };
  23     }
  24
  25     template <typename Sequence, typename T>
  26     inline int
  27     count(Sequence const& seq, T const& x)
  28     {
  29         detail::count_compare<T> f(x);
  30         return fusion::count_if(seq, f);
  31     }
  32 }}
  33
  34 #endif
  35