/Src/Dependencies/Boost/boost/range/algorithm_ext/push_front.hpp

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  1. // Boost.Range library
  2. //
  3. // Copyright Neil Groves 2009. Use, modification and
  4. // distribution is subject to the Boost Software License, Version
  5. // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  6. // http://www.boost.org/LICENSE_1_0.txt)
  7. //
  8. // For more information, see http://www.boost.org/libs/range/
  9. //
  10. #ifndef BOOST_RANGE_ALGORITHM_EXT_PUSH_FRONT_HPP_INCLUDED
  11. #define BOOST_RANGE_ALGORITHM_EXT_PUSH_FRONT_HPP_INCLUDED
  12. #include <boost/range/config.hpp>
  13. #include <boost/range/concepts.hpp>
  14. #include <boost/range/difference_type.hpp>
  15. #include <boost/range/begin.hpp>
  16. #include <boost/range/end.hpp>
  17. #include <boost/assert.hpp>
  18. namespace boost
  19. {
  20. namespace range
  21. {
  22. template< class Container, class Range >
  23. inline Container& push_front( Container& on, const Range& from )
  24. {
  25. BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<Container> ));
  26. BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const Range> ));
  27. BOOST_ASSERT( (void*)&on != (void*)&from &&
  28. "cannot copy from a container to itself" );
  29. on.insert( on.begin(), boost::begin(from), boost::end(from) );
  30. return on;
  31. }
  32. } // namespace range
  33. using range::push_front;
  34. } // namespace boost
  35. #endif // include guard