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#ifndef RUBY_BACKWARD2_STDARG_H /*-*-C++-*-vi:se ft=cpp:*/
#define RUBY_BACKWARD2_STDARG_H
/**
* @file
* @author Ruby developers <ruby-core@ruby-lang.org>
* @copyright This file is a part of the programming language Ruby.
* Permission is hereby granted, to either redistribute and/or
* modify this file, provided that the conditions mentioned in the
* file COPYING are met. Consult the file for details.
* @warning Symbols prefixed with either `RBIMPL` or `rbimpl` are
* implementation details. Don't take them as canon. They could
* rapidly appear then vanish. The name (path) of this header file
* is also an implementation detail. Do not expect it to persist
* at the place it is now. Developers are free to move it anywhere
* anytime at will.
* @note To ruby-core: remember that this header can be possibly
* 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.
* @brief Defines old #_
*
* 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
# define _(args) ()
#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
#define ANYARGS
#endif
#endif /* RUBY_BACKWARD2_STDARG_H */