is_char_c.hpp 679 B

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  1. #ifndef BOOST_METAPARSE_V1_IMPL_IS_CHAR_C_HPP
  2. #define BOOST_METAPARSE_V1_IMPL_IS_CHAR_C_HPP
  3. // Copyright Abel Sinkovics (abel@sinkovics.hu) 2015.
  4. // Distributed under the Boost Software License, Version 1.0.
  5. // (See accompanying file LICENSE_1_0.txt or copy at
  6. // http://www.boost.org/LICENSE_1_0.txt)
  7. #include <boost/mpl/bool.hpp>
  8. namespace boost
  9. {
  10. namespace metaparse
  11. {
  12. namespace v1
  13. {
  14. namespace impl
  15. {
  16. template <char C>
  17. struct is_char_c
  18. {
  19. typedef is_char_c type;
  20. template <class Ch>
  21. struct apply : boost::mpl::bool_<Ch::type::value == C> {};
  22. };
  23. }
  24. }
  25. }
  26. }
  27. #endif