annotate DEPENDENCIES/generic/include/boost/range/algorithm/fill_n.hpp @ 133:4acb5d8d80b6 tip

Don't fail environmental check if README.md exists (but .txt and no-suffix don't)
author Chris Cannam
date Tue, 30 Jul 2019 12:25:44 +0100
parents 2665513ce2d3
children
rev   line source
Chris@16 1 // Copyright Neil Groves 2009. Use, modification and
Chris@16 2 // distribution is subject to the Boost Software License, Version
Chris@16 3 // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16 4 // http://www.boost.org/LICENSE_1_0.txt)
Chris@16 5 //
Chris@16 6 //
Chris@16 7 // For more information, see http://www.boost.org/libs/range/
Chris@16 8 //
Chris@16 9 #ifndef BOOST_RANGE_ALGORITHM_FILL_N_HPP_INCLUDED
Chris@16 10 #define BOOST_RANGE_ALGORITHM_FILL_N_HPP_INCLUDED
Chris@16 11
Chris@16 12 #include <boost/assert.hpp>
Chris@16 13 #include <boost/concept_check.hpp>
Chris@16 14 #include <boost/range/begin.hpp>
Chris@16 15 #include <boost/range/end.hpp>
Chris@16 16 #include <boost/range/concepts.hpp>
Chris@16 17 #include <algorithm>
Chris@16 18
Chris@16 19 namespace boost
Chris@16 20 {
Chris@16 21 namespace range
Chris@16 22 {
Chris@16 23
Chris@16 24 /// \brief template function fill_n
Chris@16 25 ///
Chris@16 26 /// range-based version of the fill_n std algorithm
Chris@16 27 ///
Chris@16 28 /// \pre ForwardRange is a model of the ForwardRangeConcept
Chris@16 29 /// \pre n <= std::distance(boost::begin(rng), boost::end(rng))
Chris@16 30 template< class ForwardRange, class Size, class Value >
Chris@16 31 inline ForwardRange& fill_n(ForwardRange& rng, Size n, const Value& val)
Chris@16 32 {
Chris@16 33 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> ));
Chris@16 34 BOOST_ASSERT( static_cast<Size>(std::distance(boost::begin(rng), boost::end(rng))) >= n );
Chris@16 35 std::fill_n(boost::begin(rng), n, val);
Chris@16 36 return rng;
Chris@16 37 }
Chris@16 38
Chris@16 39 /// \overload
Chris@16 40 template< class ForwardRange, class Size, class Value >
Chris@16 41 inline const ForwardRange& fill_n(const ForwardRange& rng, Size n, const Value& val)
Chris@16 42 {
Chris@16 43 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> ));
Chris@16 44 BOOST_ASSERT( static_cast<Size>(std::distance(boost::begin(rng), boost::end(rng))) >= n );
Chris@16 45 std::fill_n(boost::begin(rng), n, val);
Chris@16 46 return rng;
Chris@16 47 }
Chris@16 48
Chris@16 49 } // namespace range
Chris@16 50 using range::fill_n;
Chris@16 51 } // namespace boost
Chris@16 52
Chris@16 53 #endif // include guard