1// Boost.Range library
2//
3// Copyright Neil Groves 2009. Use, modification and
4// distribution is subject to the Boost Software License, Version
5// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
6// http://www.boost.org/LICENSE_1_0.txt)
7//
8// For more information, see http://www.boost.org/libs/range/
9//
10#ifndef BOOST_RANGE_ALGORITHM_EXT_FOR_EACH_HPP_INCLUDED
11#define BOOST_RANGE_ALGORITHM_EXT_FOR_EACH_HPP_INCLUDED
12
13#include <boost/range/config.hpp>
14#include <boost/range/concepts.hpp>
15#include <boost/range/difference_type.hpp>
16#include <boost/range/begin.hpp>
17#include <boost/range/end.hpp>
18#include <boost/assert.hpp>
19
20namespace boost
21{
22 namespace range_detail
23 {
24 template<class InputIterator1, class InputIterator2, class Fn2>
25 inline Fn2 for_each_impl(InputIterator1 first1, InputIterator1 last1,
26 InputIterator2 first2, InputIterator2 last2,
27 Fn2 fn)
28 {
29 for (; first1 != last1 && first2 != last2; ++first1, ++first2)
30 {
31 fn(*first1, *first2);
32 }
33 return fn;
34 }
35 }
36
37 namespace range
38 {
39 template<class SinglePassRange1, class SinglePassRange2, class Fn2>
40 inline Fn2 for_each(const SinglePassRange1& rng1, const SinglePassRange2& rng2, Fn2 fn)
41 {
42 BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> ));
43 BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange2> ));
44
45 return ::boost::range_detail::for_each_impl(
46 ::boost::begin(rng1), ::boost::end(rng1),
47 ::boost::begin(rng2), ::boost::end(rng2), fn);
48 }
49
50 template<class SinglePassRange1, class SinglePassRange2, class Fn2>
51 inline Fn2 for_each(const SinglePassRange1& rng1, SinglePassRange2& rng2, Fn2 fn)
52 {
53 BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> ));
54 BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange2> ));
55
56 return ::boost::range_detail::for_each_impl(
57 ::boost::begin(rng1), ::boost::end(rng1),
58 ::boost::begin(rng2), ::boost::end(rng2), fn);
59 }
60
61 template<class SinglePassRange1, class SinglePassRange2, class Fn2>
62 inline Fn2 for_each(SinglePassRange1& rng1, const SinglePassRange2& rng2, Fn2 fn)
63 {
64 BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange1> ));
65 BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange2> ));
66
67 return ::boost::range_detail::for_each_impl(
68 ::boost::begin(rng1), ::boost::end(rng1),
69 ::boost::begin(rng2), ::boost::end(rng2), fn);
70 }
71
72 template<class SinglePassRange1, class SinglePassRange2, class Fn2>
73 inline Fn2 for_each(SinglePassRange1& rng1, SinglePassRange2& rng2, Fn2 fn)
74 {
75 BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange1> ));
76 BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange2> ));
77
78 return ::boost::range_detail::for_each_impl(
79 ::boost::begin(rng1), ::boost::end(rng1),
80 ::boost::begin(rng2), ::boost::end(rng2), fn);
81 }
82 } // namespace range
83 using range::for_each;
84} // namespace boost
85
86#endif // include guard
87

source code of boost/libs/range/include/boost/range/algorithm_ext/for_each.hpp