[ruby-core:114986] [Ruby master Misc#19883] DevMeeting-2023-10-12

Issue #19883 has been updated by Dan0042 (Daniel DeLorme).


* [Feature #13933] Add Range#empty?
  * "empty?" is a basic concept for core classes
  * Related to the implementation of `Range#overlap?` (empty_region_p) so why not make it a public interface?
  * For beginless ranges we cannot use `(..0).none?`
  * For string ranges we cannot use `("a".."b").size`
  * There's an edge case with e.g. `(...-Float::INFINITY)` or `(..."")` with several possible approaches listed in the ticket


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Misc #19883: DevMeeting-2023-10-12
https://bugs.ruby-lang.org/issues/19883#change-104856

* Author: mame (Yusuke Endoh)
* Status: Open
* Priority: Normal
----------------------------------------
# The next dev meeting

**Date: 2023/10/12 13:00-17:00** (JST)
Log: *TBD*

- Dev meeting *IS NOT* a decision-making place. All decisions should be done at the bug tracker.
- Dev meeting is a place we can ask Matz, nobu, nurse and other developers directly.
- Matz is a very busy person. Take this opportunity to ask him. If you can not attend, other attendees can ask instead of you (if attendees can understand your issue).
- We will write a record of the discussion in the file or to each ticket in English.
- All activities are best-effort (keep in mind that most of us are volunteer developers).
- The date, time and place of the meeting are scheduled according to when/where we can reserve Matz's time.
- *DO NOT* discuss then on this ticket, please.

# Call for agenda items

If you have a ticket that you want matz and committers to discuss, please post it into this ticket in the following format:

```
* [Ticket ref] Ticket title (your name)
  * Comment (A summary of the ticket, why you put this ticket here, what point should be discussed, etc.)
```

Example:

```
* [Feature #14609] `Kernel#p` without args shows the receiver (ko1)
  * I feel this feature is very useful and some people say :+1: so let discuss this feature.
```

- It is recommended to add a comment by 2023/10/09. We hold a preparatory meeting to create an agenda a few days before the dev-meeting.
- The format is strict.  We'll use [this script to automatically create an markdown-style agenda](https://gist.github.com/mame/b0390509ce1491b43610b9ebb665eb86).  We may ignore a comment that does not follow the format.
- Your comment is mandatory. We cannot read all discussion of the ticket in a limited time. We appreciate it if you could write a short summary and update from a previous discussion.




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