BOOST_PP_ENUM_TRAILING_PARAMS_Z

Boost , ,

Usage

Arguments

z

The next available BOOST_PP_REPEAT dimension.

count

The number of parameters to generate.  Valid values range from 0 to BOOST_PP_LIMIT_REPEAT.

param

The text of the parameter.  BOOST_PP_ENUM_TRAILING_PARAMS_Z concatenates numbers ranging from 0 to count - 1 to generate parameters.

Remarks

See Also

• BOOST_PP_ENUM_TRAILING_PARAMS
• BOOST_PP_LIMIT_REPEAT

Requirements

Sample Code

#include <boost/preprocessor/repetition/enum_trailing_params.hpp>
#include <boost/preprocessor/repetition/repeat.hpp>
#define MACRO(z, n, _) \
   template< \
      class BOOST_PP_ENUM_TRAILING_PARAMS_Z(z, n, class T) \
   > class X ## n { \
      /* ... */ \
   }; \
   /**/
BOOST_PP_REPEAT(2, MACRO, nil)
/*
   expands to...
   template<class> class X0 { };
   template<class, class T0> class X1 { };
*/

Статья BOOST_PP_ENUM_TRAILING_PARAMS_Z раздела может быть полезна для разработчиков на c++ и boost.

:: Главная :: ::