Chris@16: // Boost.Range library
Chris@16: //
Chris@16: //  Copyright Neil Groves 2009. Use, modification and
Chris@16: //  distribution is subject to the Boost Software License, Version
Chris@16: //  1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: //  http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: // For more information, see http://www.boost.org/libs/range/
Chris@16: //
Chris@16: #ifndef BOOST_RANGE_ALGORITHM_EXT_IOTA_HPP_INCLUDED
Chris@16: #define BOOST_RANGE_ALGORITHM_EXT_IOTA_HPP_INCLUDED
Chris@16: 
Chris@16: #include <boost/range/config.hpp>
Chris@16: #include <boost/range/concepts.hpp>
Chris@16: #include <boost/range/iterator.hpp>
Chris@16: #include <boost/range/begin.hpp>
Chris@16: #include <boost/range/end.hpp>
Chris@16: 
Chris@16: namespace boost
Chris@16: {
Chris@16:     namespace range
Chris@16:     {
Chris@16: 
Chris@16: template< class ForwardRange, class Value >
Chris@16: inline ForwardRange& iota( ForwardRange& rng, Value x )
Chris@16: {
Chris@16:     BOOST_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> ));
Chris@16:     typedef BOOST_DEDUCED_TYPENAME range_iterator<ForwardRange>::type iterator_t;
Chris@16: 
Chris@16:     iterator_t last_target = ::boost::end(rng);
Chris@16:     for (iterator_t target = ::boost::begin(rng); target != last_target; ++target, ++x)
Chris@16:         *target = x;
Chris@16: 
Chris@16:     return rng;
Chris@16: }
Chris@16: 
Chris@16: template< class ForwardRange, class Value >
Chris@16: inline const ForwardRange& iota( const ForwardRange& rng, Value x )
Chris@16: {
Chris@16:     BOOST_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> ));
Chris@16:     typedef BOOST_DEDUCED_TYPENAME range_iterator<const ForwardRange>::type iterator_t;
Chris@16:     
Chris@16:     iterator_t last_target = ::boost::end(rng);
Chris@16:     for (iterator_t target = ::boost::begin(rng); target != last_target; ++target, ++x)
Chris@16:         *target = x;
Chris@16:     
Chris@16:     return rng;
Chris@16: }
Chris@16: 
Chris@16:     } // namespace range
Chris@16:     using range::iota;
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #endif // include guard