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_REMOVE_HPP_INCLUDED
10 #define BOOST_RANGE_ALGORITHM_REMOVE_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 <boost/range/detail/range_return.hpp>
17 #include <algorithm>
18 
19 namespace boost
20 {
21     namespace range
22     {
23 
24 /// \brief template function remove
25 ///
26 /// range-based version of the remove std algorithm
27 ///
28 /// \pre ForwardRange is a model of the ForwardRangeConcept
29 template< class ForwardRange, class Value >
30 inline BOOST_DEDUCED_TYPENAME range_iterator<ForwardRange>::type
remove(ForwardRange & rng,const Value & val)31 remove(ForwardRange& rng, const Value& val)
32 {
33     BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> ));
34     return std::remove(boost::begin(rng),boost::end(rng),val);
35 }
36 
37 /// \overload
38 template< class ForwardRange, class Value >
39 inline BOOST_DEDUCED_TYPENAME range_iterator<const ForwardRange>::type
remove(const ForwardRange & rng,const Value & val)40 remove(const ForwardRange& rng, const Value& val)
41 {
42     BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> ));
43     return std::remove(boost::begin(rng),boost::end(rng),val);
44 }
45 
46 // range_return overloads
47 
48 /// \overload
49 template< range_return_value re, class ForwardRange, class Value >
50 inline BOOST_DEDUCED_TYPENAME range_return<ForwardRange,re>::type
remove(ForwardRange & rng,const Value & val)51 remove(ForwardRange& rng, const Value& val)
52 {
53     BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> ));
54     return range_return<ForwardRange,re>::pack(
55         std::remove(boost::begin(rng), boost::end(rng), val),
56         rng);
57 }
58 
59 /// \overload
60 template< range_return_value re, class ForwardRange, class Value >
61 inline BOOST_DEDUCED_TYPENAME range_return<const ForwardRange,re>::type
remove(const ForwardRange & rng,const Value & val)62 remove(const ForwardRange& rng, const Value& val)
63 {
64     BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> ));
65     return range_return<const ForwardRange,re>::pack(
66         std::remove(boost::begin(rng), boost::end(rng), val),
67         rng);
68 }
69 
70     } // namespace range
71     using range::remove;
72 } // namespace boost
73 
74 #endif // include guard
75