[ruby-core:80902] [Ruby trunk Feature#9116] String#rsplit missing

Issue #9116 has been updated by naruse (Yui NARUSE).


I find a use case.

>test_priv=# SELECT * FROM pg_database;
>        datname        | datdba | encoding | datcollate  |  datctype   | datistemplate | datallowconn | datconnlimit | datlastsysoid | datfrozenxid | datminmxid | dattablespace |                 datacl
> ----------------------+--------+----------+-------------+-------------+---------------+--------------+--------------+---------------+--------------+------------+---------------+-----------------------------------------
>  test_prev            |  16384 |        6 | en_US.UTF-8 | en_US.UTF-8 | f             | t            |           -1 |         12668 |         1917 |          1 |          1663 | {=Tc/pg,pg=CTc/pg,"\"foo=bar\"=CTc/pg"}

On PostgreSQL, I can retrieve databases information by SQL, and its ACL data is "datacl" column as key-value.
Its key is rolename (user/group name) and the value is the privilege, with separated "=".
The rolename may include "=" as above.

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Feature #9116: String#rsplit missing
https://bugs.ruby-lang.org/issues/9116#change-64507

* Author: artagnon (Ramkumar Ramachandra)
* Status: Open
* Priority: Normal
* Assignee: 
* Target version: 
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There's nothing corresponding to Python's rsplit(). A quick glance at rb_str_split_m() tells me that it should be pretty trivial to implement. Is there any specific reason it hasn't already been done?



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