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include/ruby/internal/core/rfile.h: add doxygen

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Must not be a bad idea to improve documents. [ci skip]
This commit is contained in:
卜部昌平 2021-02-02 10:31:57 +09:00
parent b92a9af405
commit 0c486c5531
Notes: git 2021-09-10 20:01:41 +09:00 
Merged: https://github.com/ruby/ruby/pull/4815
1 changed files with 15 additions and 0 deletions
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15
include/ruby/internal/core/rfile.h
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@ -27,10 +27,25 @@
* into ruby/ruby.h. We follow that tradition. */
struct rb_io_t;
/**
* Ruby's File and IO. Ruby's IO are not just file descriptors. They have
* buffers. They also have encodings. Various information are controlled
* using this struct.
*/
struct RFile {
/** Basic part, including flags and class. */
struct RBasic basic;
/** IO's specific fields. */
struct rb_io_t *fptr;
};
/**
* Convenient casting macro.
*
* @param obj An object, which is in fact an ::RFile.
* @return The passed object casted to ::RFile.
*/
#define RFILE(obj) RBIMPL_CAST((struct RFile *)(obj))
#endif /* RBIMPL_RFILE_H */