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1 // Copyright Neil Groves 2009. Use, modification and
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2 // distribution is subject to the Boost Software License, Version
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3 // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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4 // http://www.boost.org/LICENSE_1_0.txt)
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5 //
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6 //
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7 // For more information, see http://www.boost.org/libs/range/
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8 //
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9 #ifndef BOOST_RANGE_ALGORITHM_REPLACE_IF_HPP_INCLUDED
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10 #define BOOST_RANGE_ALGORITHM_REPLACE_IF_HPP_INCLUDED
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11
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12 #include <boost/concept_check.hpp>
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13 #include <boost/range/begin.hpp>
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14 #include <boost/range/end.hpp>
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15 #include <boost/range/concepts.hpp>
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16 #include <algorithm>
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17
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18 namespace boost
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19 {
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20 namespace range
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21 {
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22
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23 /// \brief template function replace_if
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24 ///
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25 /// range-based version of the replace_if std algorithm
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26 ///
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27 /// \pre ForwardRange is a model of the ForwardRangeConcept
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28 /// \pre UnaryPredicate is a model of the UnaryPredicateConcept
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29 template< class ForwardRange, class UnaryPredicate, class Value >
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30 inline ForwardRange&
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31 replace_if(ForwardRange& rng, UnaryPredicate pred,
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32 const Value& val)
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33 {
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34 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> ));
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35 std::replace_if(boost::begin(rng), boost::end(rng), pred, val);
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36 return rng;
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37 }
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38
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39 /// \overload
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40 template< class ForwardRange, class UnaryPredicate, class Value >
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41 inline const ForwardRange&
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42 replace_if(const ForwardRange& rng, UnaryPredicate pred,
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43 const Value& val)
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44 {
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45 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> ));
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46 std::replace_if(boost::begin(rng), boost::end(rng), pred, val);
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47 return rng;
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48 }
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49
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50 } // namespace range
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51 using range::replace_if;
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52 } // namespace boost
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53
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54 #endif // include guard
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