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