ceph/src/boost/libs/range/include/boost/range/adaptor/argument_fwd.hpp

   1 // Boost.Range library
   2 //
   3 //  Copyright Thorsten Ottosen, Neil Groves 2006 - 2008. Use, modification and
   4 //  distribution is subject to the Boost Software License, Version
   5 //  1.0. (See accompanying file LICENSE_1_0.txt or copy at
   6 //  http://www.boost.org/LICENSE_1_0.txt)
   7 //
   8 // For more information, see http://www.boost.org/libs/range/
   9 //
  10
  11 #ifndef BOOST_RANGE_ADAPTOR_ARGUMENT_FWD_HPP
  12 #define BOOST_RANGE_ADAPTOR_ARGUMENT_FWD_HPP
  13
  14 #include <boost/config.hpp>
  15
  16 #ifdef BOOST_MSVC
  17 #pragma warning(push)
  18 #pragma warning(disable : 4512) // assignment operator could not be generated
  19 #endif
  20
  21 namespace boost
  22 {
  23     namespace range_detail
  24     {
  25         template< class T >
  26         struct holder
  27         {
  28             T val;
  29             holder( T t ) : val(t)
  30             { }
  31         };
  32
  33         template< class T >
  34         struct holder2
  35         {
  36             T val1, val2;
  37             holder2( T t, T u ) : val1(t), val2(u)
  38             { }
  39         };
  40
  41         template< template<class> class Holder >
  42         struct forwarder
  43         {
  44             template< class T >
  45             Holder<T> operator()( T t ) const
  46             {
  47                 return Holder<T>(t);
  48             }
  49         };
  50
  51         template< template<class> class Holder >
  52         struct forwarder2
  53         {
  54             template< class T >
  55             Holder<T> operator()( T t, T u ) const
  56             {
  57                 return Holder<T>(t,u);
  58             }
  59         };
  60
  61         template< template<class,class> class Holder >
  62         struct forwarder2TU
  63         {
  64             template< class T, class U >
  65             Holder<T, U> operator()( T t, U u ) const
  66             {
  67                 return Holder<T, U>(t, u);
  68             }
  69         };
  70
  71
  72     }
  73
  74 }
  75
  76 #ifdef BOOST_MSVC
  77 #pragma warning(pop)
  78 #endif
  79
  80 #endif