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Micro template library A library for building device drivers
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utl/include/utl/impl/concepts.h

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  1. /*!

  2.  * \file   /utl/impl/concepts.h

  3.  * \brief  Concept support header

  4.  *

  5.  * Copyright (C) 2018 Christos Choutouridis

  6.  *

  7.  * This program is free software: you can redistribute it and/or modify

  8.  * it under the terms of the GNU Lesser General Public License as

  9.  * published by the Free Software Foundation, either version 3

  10.  * of the License, or (at your option) any later version.

  11.  *

  12.  * This program is distributed in the hope that it will be useful,

  13.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  14.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  15.  * GNU Lesser General Public License for more details.

  16.  *

  17.  * You should have received a copy of the GNU Lesser General Public License

  18.  * along with this program.  If not, see <http://www.gnu.org/licenses/>.

  19.  *

  20.  */

  21. #ifndef __utl_impl_concepts_h__

  22. #define __utl_impl_concepts_h__

  23. 

  24. #include <utl/impl/version.h>

  25. 

  26. /*!

  27.  * utl inner concept preprecessor flag

  28.  * \defgroup crtp

  29.  * \ingroup impl

  30.  */

  31. //!@{

  32. #if defined __cpp_concepts

  33. #define _utl_have_concepts (1)

  34. #endif

  35. 

  36. /*!

  37.  * requires keyword wraper

  38.  */

  39. #if defined _utl_have_concepts

  40.    #define _requires(_r_) requires (_r_)

  41. #else

  42.    #define _requires(_r_)

  43. #endif

  44. 

  45. //!@}

  46. #endif /* __utl_impl_concepts_h__ */