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// 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_FIRST_OF_HPP_INCLUDED
#define BOOST_RANGE_ALGORITHM_FIND_FIRST_OF_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_first_of
///
/// range-based version of the find_first_of std algorithm
///
/// \pre SinglePassRange1 is a model of the SinglePassRangeConcept
/// \pre ForwardRange2 is a model of the ForwardRangeConcept
/// \pre BinaryPredicate is a model of the BinaryPredicateConcept
template< class SinglePassRange1, class ForwardRange2 >
inline BOOST_DEDUCED_TYPENAME disable_if<
is_const<SinglePassRange1>,
BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange1>::type
>::type
find_first_of(SinglePassRange1 & rng1, ForwardRange2 const & rng2)
{
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange1> ));
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
return std::find_first_of(boost::begin(rng1),boost::end(rng1),
boost::begin(rng2),boost::end(rng2));
}
/// \overload
template< class SinglePassRange1, class ForwardRange2 >
inline BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange1>::type
find_first_of(const SinglePassRange1& rng1, const ForwardRange2& rng2)
{
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> ));
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
return std::find_first_of(boost::begin(rng1),boost::end(rng1),
boost::begin(rng2),boost::end(rng2));
}
/// \overload
template< class SinglePassRange1, class ForwardRange2, class BinaryPredicate >
inline BOOST_DEDUCED_TYPENAME disable_if<
is_const<SinglePassRange1>,
BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange1>::type
>::type
find_first_of(SinglePassRange1 & rng1, ForwardRange2 const & rng2, BinaryPredicate pred)
{
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange1> ));
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
return std::find_first_of(boost::begin(rng1),boost::end(rng1),
boost::begin(rng2),boost::end(rng2),pred);
}
/// \overload
template< class SinglePassRange1, class ForwardRange2, class BinaryPredicate >
inline BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange1>::type
find_first_of(const SinglePassRange1& rng1, const ForwardRange2& rng2, BinaryPredicate pred)
{
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> ));
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
return std::find_first_of(boost::begin(rng1),boost::end(rng1),
boost::begin(rng2),boost::end(rng2),pred);
}
// range return overloads
/// \overload
template< range_return_value re, class SinglePassRange1, class ForwardRange2 >
inline BOOST_DEDUCED_TYPENAME disable_if<
is_const<SinglePassRange1>,
BOOST_DEDUCED_TYPENAME range_return<SinglePassRange1,re>::type
>::type
find_first_of(SinglePassRange1& rng1, const ForwardRange2& rng2)
{
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange1> ));
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
return range_return<SinglePassRange1,re>::
pack(std::find_first_of(boost::begin(rng1), boost::end(rng1),
boost::begin(rng2), boost::end(rng2)),
rng1);
}
/// \overload
template< range_return_value re, class SinglePassRange1, class ForwardRange2 >
inline BOOST_DEDUCED_TYPENAME range_return<const SinglePassRange1,re>::type
find_first_of(const SinglePassRange1& rng1, const ForwardRange2& rng2)
{
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> ));
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
return range_return<const SinglePassRange1,re>::
pack(std::find_first_of(boost::begin(rng1), boost::end(rng1),
boost::begin(rng2), boost::end(rng2)),
rng1);
}
/// \overload
template< range_return_value re, class SinglePassRange1, class ForwardRange2,
class BinaryPredicate >
inline BOOST_DEDUCED_TYPENAME disable_if<
is_const<SinglePassRange1>,
BOOST_DEDUCED_TYPENAME range_return<SinglePassRange1,re>::type
>::type
find_first_of(SinglePassRange1 & rng1, const ForwardRange2& rng2,
BinaryPredicate pred)
{
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange1> ));
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
return range_return<SinglePassRange1,re>::
pack(std::find_first_of(boost::begin(rng1), boost::end(rng1),
boost::begin(rng2), boost::end(rng2), pred),
rng1);
}
/// \overload
template< range_return_value re, class SinglePassRange1, class ForwardRange2,
class BinaryPredicate >
inline BOOST_DEDUCED_TYPENAME range_return<const SinglePassRange1,re>::type
find_first_of(const SinglePassRange1 & rng1, const ForwardRange2& rng2,
BinaryPredicate pred)
{
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> ));
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
return range_return<const SinglePassRange1,re>::
pack(std::find_first_of(boost::begin(rng1), boost::end(rng1),
boost::begin(rng2), boost::end(rng2), pred),
rng1);
}
} // namespace range
using range::find_first_of;
} // namespace boost
#endif // include guard
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