// 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_HPP_INCLUDED | |
#define BOOST_RANGE_ALGORITHM_FIND_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 | |
/// | |
/// range-based version of the find std algorithm | |
/// | |
/// \pre SinglePassRange is a model of the SinglePassRangeConcept | |
template< class SinglePassRange, class Value > | |
inline BOOST_DEDUCED_TYPENAME disable_if< | |
is_const<SinglePassRange>, | |
BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange>::type | |
>::type | |
find( SinglePassRange& rng, const Value& val ) | |
{ | |
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange> )); | |
return std::find(boost::begin(rng), boost::end(rng), val); | |
} | |
/// \overload | |
template< class SinglePassRange, class Value > | |
inline BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange>::type | |
find( const SinglePassRange& rng, const Value& val ) | |
{ | |
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange> )); | |
return std::find(boost::begin(rng), boost::end(rng), val); | |
} | |
// range_return overloads | |
/// \overload | |
template< range_return_value re, class SinglePassRange, class Value > | |
inline BOOST_DEDUCED_TYPENAME disable_if< | |
is_const<SinglePassRange>, | |
BOOST_DEDUCED_TYPENAME range_return<SinglePassRange,re>::type | |
>::type | |
find( SinglePassRange& rng, const Value& val ) | |
{ | |
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange> )); | |
return range_return<SinglePassRange,re>:: | |
pack(std::find(boost::begin(rng), boost::end(rng), val), | |
rng); | |
} | |
/// \overload | |
template< range_return_value re, class SinglePassRange, class Value > | |
inline BOOST_DEDUCED_TYPENAME range_return<const SinglePassRange,re>::type | |
find( const SinglePassRange& rng, const Value& val ) | |
{ | |
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange> )); | |
return range_return<const SinglePassRange,re>:: | |
pack(std::find(boost::begin(rng), boost::end(rng), val), | |
rng); | |
} | |
} // namespace range | |
using range::find; | |
} | |
#endif // include guard |