diff options
Diffstat (limited to 'include/ruby/backward/2/stdarg.h')
| -rw-r--r-- | include/ruby/backward/2/stdarg.h | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/include/ruby/backward/2/stdarg.h b/include/ruby/backward/2/stdarg.h index c2a9ca1e2f..08659fee47 100644 --- a/include/ruby/backward/2/stdarg.h +++ b/include/ruby/backward/2/stdarg.h @@ -17,14 +17,18 @@ * recursively included from extension libraries written in C++. * Do not expect for instance `__VA_ARGS__` is always available. * We assume C99 for ruby itself but we don't assume languages of - * extension libraries. They could be written in C++98. + * extension libraries. They could be written in C++98. * @brief Defines old #_ * - * Nobody should ever use these macros any longer. No konwn compilers lack + * Nobody should ever use these macros any longer. No known compilers lack * prototypes today. It's 21st century. Just forget them. */ #undef _ +/** + * @deprecated Nobody practically needs this macro any longer. + * @brief This was a transition path from K&R to ANSI. + */ #ifdef HAVE_PROTOTYPES # define _(args) args #else @@ -32,12 +36,30 @@ #endif #undef __ +/** + * @deprecated Nobody practically needs this macro any longer. + * @brief This was a transition path from K&R to ANSI. + */ #ifdef HAVE_STDARG_PROTOTYPES # define __(args) args #else # define __(args) () #endif +/** + * Functions declared using this macro take arbitrary arguments, including + * void. + * + * ```CXX + * void func(ANYARGS); + * ``` + * + * This was a necessary evil when there was no such thing like function + * overloading. But it is the 21st century today. People generally need not + * use this. Just use a granular typed function. + * + * @see ruby::backward::cxxanyargs + */ #ifdef __cplusplus #define ANYARGS ... #else |