// Boost string_algo library predicate_facade.hpp header file ---------------------------// | |
// Copyright Pavol Droba 2002-2003. | |
// | |
// Distributed under the Boost Software License, Version 1.0. | |
// (See accompanying file LICENSE_1_0.txt or copy at | |
// http://www.boost.org/LICENSE_1_0.txt) | |
// See http://www.boost.org/ for updates, documentation, and revision history. | |
#ifndef BOOST_STRING_PREDICATE_FACADE_HPP | |
#define BOOST_STRING_PREDICATE_FACADE_HPP | |
#include <boost/algorithm/string/config.hpp> | |
/* | |
\file boost/algorith/string/predicate_facade.hpp | |
This file containes predicate_facade definition. This template class is used | |
to identify classification predicates, so they can be combined using | |
composition operators. | |
*/ | |
namespace boost { | |
namespace algorithm { | |
// predicate facade ------------------------------------------------------// | |
//! Predicate facade | |
/*! | |
This class allows to recognize classification | |
predicates, so that they can be combined using | |
composition operators. | |
Every classification predicate must be derived from this class. | |
*/ | |
template<typename Derived> | |
struct predicate_facade {}; | |
} // namespace algorithm | |
} // namespace boost | |
#endif // BOOST_STRING_CLASSIFICATION_DETAIL_HPP |