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_IF_HPP_INCLUDED
10#define BOOST_RANGE_ALGORITHM_REMOVE_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 <boost/range/detail/range_return.hpp>
17#include <algorithm>
18
19namespace boost
20{
21 namespace range
22 {
23
24/// \brief template function remove_if
25///
26/// range-based version of the remove_if std algorithm
27///
28/// \pre ForwardRange is a model of the ForwardRangeConcept
29/// \pre UnaryPredicate is a model of the UnaryPredicateConcept
30template< class ForwardRange, class UnaryPredicate >
31inline BOOST_DEDUCED_TYPENAME boost::range_iterator<ForwardRange>::type
32remove_if(ForwardRange& rng, UnaryPredicate pred)
33{
34 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> ));
35 return std::remove_if(boost::begin(rng), boost::end(rng), pred);
36}
37
38/// \overload
39template< class ForwardRange, class UnaryPredicate >
40inline BOOST_DEDUCED_TYPENAME boost::range_iterator<const ForwardRange>::type
41remove_if(const ForwardRange& rng, UnaryPredicate pred)
42{
43 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> ));
44 return std::remove_if(boost::begin(rng), boost::end(rng), pred);
45}
46
47// range_return overloads
48
49/// \overload
50template< range_return_value re, class ForwardRange, class UnaryPredicate >
51inline BOOST_DEDUCED_TYPENAME range_return<ForwardRange,re>::type
52remove_if(ForwardRange& rng, UnaryPredicate pred)
53{
54 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> ));
55 return range_return<ForwardRange,re>::pack(
56 std::remove_if(boost::begin(rng), boost::end(rng), pred),
57 rng);
58}
59
60/// \overload
61template< range_return_value re, class ForwardRange, class UnaryPredicate >
62inline BOOST_DEDUCED_TYPENAME range_return<const ForwardRange,re>::type
63remove_if(const ForwardRange& rng, UnaryPredicate pred)
64{
65 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> ));
66 return range_return<const ForwardRange,re>::pack(
67 std::remove_if(boost::begin(rng), boost::end(rng), pred),
68 rng);
69}
70
71 } // namespace range
72 using range::remove_if;
73} // namespace boost
74
75#endif // include guard
76

source code of boost/libs/range/include/boost/range/algorithm/remove_if.hpp