ceph/src/boost/boost/algorithm/string/predicate_facade.hpp

   1 //  Boost string_algo library predicate_facade.hpp header file  ---------------------------//
   2
   3 //  Copyright Pavol Droba 2002-2003.
   4 //
   5 // Distributed under the Boost Software License, Version 1.0.
   6 //    (See accompanying file LICENSE_1_0.txt or copy at
   7 //          http://www.boost.org/LICENSE_1_0.txt)
   8
   9 //  See http://www.boost.org/ for updates, documentation, and revision history.
  10
  11 #ifndef BOOST_STRING_PREDICATE_FACADE_HPP
  12 #define BOOST_STRING_PREDICATE_FACADE_HPP
  13
  14 #include <boost/algorithm/string/config.hpp>
  15
  16 /*
  17  \file boost/algorith/string/predicate_facade.hpp
  18  This file contains predicate_facade definition. This template class is used
  19  to identify classification predicates, so they can be combined using
  20  composition operators.
  21 */
  22
  23 namespace boost {
  24     namespace algorithm {
  25
  26 //  predicate facade ------------------------------------------------------//
  27
  28         //! Predicate facade
  29         /*!
  30             This class allows to recognize classification
  31             predicates, so that they can be combined using
  32             composition operators.
  33             Every classification predicate must be derived from this class.
  34         */
  35         template<typename Derived>
  36         struct predicate_facade {};
  37
  38     } // namespace algorithm
  39 } // namespace boost
  40
  41
  42 #endif  // BOOST_STRING_CLASSIFICATION_DETAIL_HPP