1 // Copyright Neil Groves 2009. Use, modification and 2 // distribution is subject to the Boost Software License, Version 3 // 1.0. (See accompanying file LICENSE_1_0.txt or copy at 4 // http://www.boost.org/LICENSE_1_0.txt) 5 // 6 // 7 // For more information, see http://www.boost.org/libs/range/ 8 // 9 #ifndef BOOST_RANGE_ALGORITHM_REPLACE_IF_HPP_INCLUDED 10 #define BOOST_RANGE_ALGORITHM_REPLACE_IF_HPP_INCLUDED 11 12 #include <boost/concept_check.hpp> 13 #include <boost/range/begin.hpp> 14 #include <boost/range/end.hpp> 15 #include <boost/range/concepts.hpp> 16 #include <algorithm> 17 18 namespace boost 19 { 20 namespace range 21 { 22 23 /// \brief template function replace_if 24 /// 25 /// range-based version of the replace_if std algorithm 26 /// 27 /// \pre ForwardRange is a model of the ForwardRangeConcept 28 /// \pre UnaryPredicate is a model of the UnaryPredicateConcept 29 template< class ForwardRange, class UnaryPredicate, class Value > 30 inline ForwardRange& replace_if(ForwardRange & rng,UnaryPredicate pred,const Value & val)31 replace_if(ForwardRange& rng, UnaryPredicate pred, 32 const Value& val) 33 { 34 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> )); 35 std::replace_if(boost::begin(rng), boost::end(rng), pred, val); 36 return rng; 37 } 38 39 /// \overload 40 template< class ForwardRange, class UnaryPredicate, class Value > 41 inline const ForwardRange& replace_if(const ForwardRange & rng,UnaryPredicate pred,const Value & val)42 replace_if(const ForwardRange& rng, UnaryPredicate pred, 43 const Value& val) 44 { 45 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> )); 46 std::replace_if(boost::begin(rng), boost::end(rng), pred, val); 47 return rng; 48 } 49 50 } // namespace range 51 using range::replace_if; 52 } // namespace boost 53 54 #endif // include guard 55