| 1 | // Boost string_algo library predicate_facade.hpp header file ---------------------------// |
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| 2 | |
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| 3 | // Copyright Pavol Droba 2002-2003. |
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| 4 | // |
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| 5 | // Distributed under the Boost Software License, Version 1.0. |
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| 6 | // (See accompanying file LICENSE_1_0.txt or copy at |
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| 7 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 8 | |
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| 9 | // See http://www.boost.org/ for updates, documentation, and revision history. |
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| 10 | |
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| 11 | #ifndef BOOST_STRING_PREDICATE_FACADE_HPP |
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| 12 | #define BOOST_STRING_PREDICATE_FACADE_HPP |
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| 13 | |
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| 14 | #include <boost/algorithm/string/config.hpp> |
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| 15 | |
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| 16 | /* |
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| 17 | \file boost/algorith/string/predicate_facade.hpp |
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| 18 | This file contains predicate_facade definition. This template class is used |
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| 19 | to identify classification predicates, so they can be combined using |
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| 20 | composition operators. |
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| 21 | */ |
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| 22 | |
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| 23 | namespace boost { |
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| 24 | namespace algorithm { |
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| 25 | |
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| 26 | // predicate facade ------------------------------------------------------// |
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| 27 | |
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| 28 | //! Predicate facade |
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| 29 | /*! |
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| 30 | This class allows to recognize classification |
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| 31 | predicates, so that they can be combined using |
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| 32 | composition operators. |
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| 33 | Every classification predicate must be derived from this class. |
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| 34 | */ |
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| 35 | template<typename Derived> |
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| 36 | struct predicate_facade {}; |
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| 37 | |
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| 38 | } // namespace algorithm |
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| 39 | } // namespace boost |
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| 40 | |
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| 41 | |
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| 42 | #endif // BOOST_STRING_CLASSIFICATION_DETAIL_HPP |
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| 43 | |
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