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ruby--ruby/include/ruby/backward/2/r_cast.h
2020-05-11 09:24:08 +09:00

27 lines
1.5 KiB
C++

#ifndef RUBY_BACKWARD2_R_CAST_H /*-*-C++-*-vi:se ft=cpp:*/
#define RUBY_BACKWARD2_R_CAST_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 #R_CAST
*
* Nobody is actively using this macro.
*/
#define R_CAST(st) (struct st*)
#define RMOVED(obj) (R_CAST(RMoved)(obj))
#endif /* RUBY_BACKWARD2_R_CAST_H */