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