58 lines
1.9 KiB
Plaintext
58 lines
1.9 KiB
Plaintext
|
// Copyright Bryce Lelbach 2010
|
||
|
|
// 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_EXT_IS_SORTED_HPP_INCLUDED
|
||
|
|
#define BOOST_RANGE_ALGORITHM_EXT_IS_SORTED_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/value_type.hpp>
|
||
|
|
#include <boost/detail/is_sorted.hpp>
|
||
|
|
#include <algorithm>
|
||
|
|
|
||
|
|
namespace boost
|
||
|
|
{
|
||
|
|
namespace range
|
||
|
|
{
|
||
|
|
|
||
|
|
/// \brief template function is_sorted
|
||
|
|
///
|
||
|
|
/// range-based version of the is_sorted std algorithm
|
||
|
|
///
|
||
|
|
/// \pre SinglePassRange is a model of the SinglePassRangeConcept
|
||
|
|
template<class SinglePassRange>
|
||
|
|
inline bool is_sorted(const SinglePassRange& rng)
|
||
|
|
{
|
||
|
|
BOOST_RANGE_CONCEPT_ASSERT((SinglePassRangeConcept<const SinglePassRange>));
|
||
|
|
BOOST_RANGE_CONCEPT_ASSERT((LessThanComparableConcept<BOOST_DEDUCED_TYPENAME
|
||
|
|
range_value<const SinglePassRange>::type>));
|
||
|
|
return ::boost::detail::is_sorted(boost::begin(rng), boost::end(rng));
|
||
|
|
}
|
||
|
|
|
||
|
|
/// \overload
|
||
|
|
template<class SinglePassRange, class BinaryPredicate>
|
||
|
|
inline bool is_sorted(const SinglePassRange& rng, BinaryPredicate pred)
|
||
|
|
{
|
||
|
|
BOOST_RANGE_CONCEPT_ASSERT((SinglePassRangeConcept<const SinglePassRange>));
|
||
|
|
BOOST_RANGE_CONCEPT_ASSERT((BinaryPredicateConcept<BinaryPredicate,
|
||
|
|
BOOST_DEDUCED_TYPENAME range_value<const SinglePassRange>::type,
|
||
|
|
BOOST_DEDUCED_TYPENAME range_value<const SinglePassRange>::type>));
|
||
|
|
return ::boost::detail::is_sorted(boost::begin(rng), boost::end(rng), pred);
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace range
|
||
|
|
|
||
|
|
using range::is_sorted;
|
||
|
|
|
||
|
|
} // namespace boost
|
||
|
|
|
||
|
|
#endif // include guard
|