ceph/src/boost/libs/range/include/boost/range/algorithm/generate.hpp

   1 //  Copyright Neil Groves 2009. Use, modification and
   2 //  distribution is subject to the Boost Software License, Version
   3 //  1.0. (See accompanying file LICENSE_1_0.txt or copy at
   4 //  http://www.boost.org/LICENSE_1_0.txt)
   5 //
   6 //
   7 // For more information, see http://www.boost.org/libs/range/
   8 //
   9 #ifndef BOOST_RANGE_ALGORITHM_GENERATE_HPP_INCLUDED
  10 #define BOOST_RANGE_ALGORITHM_GENERATE_HPP_INCLUDED
  11
  12 #include <boost/concept_check.hpp>
  13 #include <boost/range/begin.hpp>
  14 #include <boost/range/end.hpp>
  15 #include <boost/range/concepts.hpp>
  16 #include <algorithm>
  17
  18 namespace boost
  19 {
  20     namespace range
  21     {
  22 /// \brief template function generate
  23 ///
  24 /// range-based version of the generate std algorithm
  25 ///
  26 /// \pre ForwardRange is a model of the ForwardRangeConcept
  27 /// \pre Generator is a model of the UnaryFunctionConcept
  28 template< class ForwardRange, class Generator >
  29 inline ForwardRange& generate( ForwardRange& rng, Generator gen )
  30 {
  31     BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> ));
  32     std::generate(boost::begin(rng), boost::end(rng), gen);
  33     return rng;
  34 }
  35
  36 /// \overload
  37 template< class ForwardRange, class Generator >
  38 inline const ForwardRange& generate( const ForwardRange& rng, Generator gen )
  39 {
  40     BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> ));
  41     std::generate(boost::begin(rng), boost::end(rng), gen);
  42     return rng;
  43 }
  44
  45     } // namespace range
  46     using range::generate;
  47 } // namespace boost
  48
  49 #endif // include guard