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