/usr/include/boost/range/algorithm/find_if.hpp is in libboost1.49-dev 1.49.0-3.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 | // Copyright Neil Groves 2009. Use, modification and
// distribution is subject to the Boost Software License, Version
// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
//
// For more information, see http://www.boost.org/libs/range/
//
#ifndef BOOST_RANGE_ALGORITHM_FIND_IF_HPP_INCLUDED
#define BOOST_RANGE_ALGORITHM_FIND_IF_HPP_INCLUDED
#include <boost/concept_check.hpp>
#include <boost/range/begin.hpp>
#include <boost/range/end.hpp>
#include <boost/range/concepts.hpp>
#include <boost/range/detail/range_return.hpp>
#include <algorithm>
namespace boost
{
namespace range
{
/// \brief template function find_if
///
/// range-based version of the find_if std algorithm
///
/// \pre SinglePassRange is a model of the SinglePassRangeConcept
/// \pre UnaryPredicate is a model of the UnaryPredicateConcept
template< class SinglePassRange, class UnaryPredicate >
inline BOOST_DEDUCED_TYPENAME disable_if<
is_const<SinglePassRange>,
BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange>::type
>::type
find_if( SinglePassRange& rng, UnaryPredicate pred )
{
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange> ));
return std::find_if(boost::begin(rng), boost::end(rng), pred);
}
/// \overload
template< class SinglePassRange, class UnaryPredicate >
inline BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange>::type
find_if( const SinglePassRange& rng, UnaryPredicate pred )
{
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange> ));
return std::find_if(boost::begin(rng), boost::end(rng), pred);
}
// range_return overloads
/// \overload
template< range_return_value re, class SinglePassRange, class UnaryPredicate >
inline BOOST_DEDUCED_TYPENAME disable_if<
is_const<SinglePassRange>,
BOOST_DEDUCED_TYPENAME range_return<SinglePassRange,re>::type
>::type
find_if( SinglePassRange& rng, UnaryPredicate pred )
{
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange> ));
return range_return<SinglePassRange,re>::
pack(std::find_if(boost::begin(rng), boost::end(rng), pred),
rng);
}
/// \overload
template< range_return_value re, class SinglePassRange, class UnaryPredicate >
inline BOOST_DEDUCED_TYPENAME range_return<const SinglePassRange,re>::type
find_if( const SinglePassRange& rng, UnaryPredicate pred )
{
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange> ));
return range_return<const SinglePassRange,re>::
pack(std::find_if(boost::begin(rng), boost::end(rng), pred),
rng);
}
} // namespace range
using range::find_if;
} // namespace boost
#endif // include guard
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