empty.hpp 710 B

1234567891011121314151617181920212223242526272829303132333435
  1. // Boost.Range library
  2. //
  3. // Copyright Thorsten Ottosen 2003-2004. 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_EMPTY_HPP
  11. #define BOOST_RANGE_EMPTY_HPP
  12. #if defined(_MSC_VER)
  13. # pragma once
  14. #endif
  15. #include <boost/range/config.hpp>
  16. #include <boost/range/begin.hpp>
  17. #include <boost/range/end.hpp>
  18. namespace boost
  19. {
  20. template< class T >
  21. inline bool empty( const T& r )
  22. {
  23. return boost::begin( r ) == boost::end( r );
  24. }
  25. } // namespace 'boost'
  26. #endif