]> git.proxmox.com Git - ceph.git/blame - ceph/src/boost/libs/algorithm/include/boost/algorithm/cxx11/any_of.hpp
bump version to 12.2.2-pve1
[ceph.git] / ceph / src / boost / libs / algorithm / include / boost / algorithm / cxx11 / any_of.hpp
CommitLineData
7c673cae
FG
1/*
2 Copyright (c) Marshall Clow 2008-2012.
3
4 Distributed under the Boost Software License, Version 1.0. (See accompanying
5 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6
7 For more information, see http://www.boost.org
8*/
9
10/// \file
11/// \brief Test ranges to see if any elements match a value or predicate.
12/// \author Marshall Clow
13
14#ifndef BOOST_ALGORITHM_ANY_OF_HPP
15#define BOOST_ALGORITHM_ANY_OF_HPP
16
17#include <boost/range/begin.hpp>
18#include <boost/range/end.hpp>
19
20namespace boost { namespace algorithm {
21
22/// \fn any_of ( InputIterator first, InputIterator last, Predicate p )
23/// \return true if any of the elements in [first, last) satisfy the predicate
24/// \note returns false on an empty range
25///
26/// \param first The start of the input sequence
27/// \param last One past the end of the input sequence
28/// \param p A predicate for testing the elements of the sequence
29///
30template<typename InputIterator, typename Predicate>
31bool any_of ( InputIterator first, InputIterator last, Predicate p )
32{
33 for ( ; first != last; ++first )
34 if ( p(*first))
35 return true;
36 return false;
37}
38
39/// \fn any_of ( const Range &r, Predicate p )
40/// \return true if any elements in the range satisfy the predicate 'p'
41/// \note returns false on an empty range
42///
43/// \param r The input range
44/// \param p A predicate for testing the elements of the range
45///
46template<typename Range, typename Predicate>
47bool any_of ( const Range &r, Predicate p )
48{
49 return boost::algorithm::any_of (boost::begin (r), boost::end (r), p);
50}
51
52/// \fn any_of_equal ( InputIterator first, InputIterator last, const V &val )
53/// \return true if any of the elements in [first, last) are equal to 'val'
54/// \note returns false on an empty range
55///
56/// \param first The start of the input sequence
57/// \param last One past the end of the input sequence
58/// \param val A value to compare against
59///
60template<typename InputIterator, typename V>
61bool any_of_equal ( InputIterator first, InputIterator last, const V &val )
62{
63 for ( ; first != last; ++first )
64 if ( val == *first )
65 return true;
66 return false;
67}
68
69/// \fn any_of_equal ( const Range &r, const V &val )
70/// \return true if any of the elements in the range are equal to 'val'
71/// \note returns false on an empty range
72///
73/// \param r The input range
74/// \param val A value to compare against
75///
76template<typename Range, typename V>
77bool any_of_equal ( const Range &r, const V &val )
78{
79 return boost::algorithm::any_of_equal (boost::begin (r), boost::end (r), val);
80}
81
82}} // namespace boost and algorithm
83
84#endif // BOOST_ALGORITHM_ANY_OF_HPP