Issue #14921 has been updated by aycabta (aycabta .).


- [Feature #14914] Add BasicObject#instance_exec_with_block

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Misc #14921: DevelopersMeeting20180809Japan
https://bugs.ruby-lang.org/issues/14921#change-73407

* Author: shyouhei (Shyouhei Urabe)
* Status: Open
* Priority: Normal
* Assignee: 
----------------------------------------
Please comment your favorite ticket numbers you want to ask to discuss with your *SHORT* comment or summary.
(your summary/comment will help us because we don't need to read all of ticket comments)

*DO NOT* discuss then on this ticket, please.

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- Date: 2018/08/09 (Thu)
- Time: 14:00-18:00 (JST)
- Place: pixiv Inc. (Tokyo, Japan)
- Sign-up: https://ruby.connpass.com/event/95321/
- log: https://docs.google.com/document/d/1vRni7jVYjgMP3XqI6A-yLL2XOfK2dDjx7WAx2tE4oA0/edit
- logpub: https://docs.google.com/document/d/1vRni7jVYjgMP3XqI6A-yLL2XOfK2dDjx7WAx2tE4oA0/pub
- Past meetings: <https://bugs.ruby-lang.org/projects/ruby/wiki#Developer-Meetings>

# NOTES

- 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 log about discussion to a 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 is scheduled according to when/where we can reserve Matz's time.

# Agenda

## Next dev-meeting

## About 2.6 timeframe

## Carry-over from previous meeting(s)

- [Bug #14887] Array#delete_if does not use #delete (shyouhei)
    - Is it by design, or a bug?
- [Feature #13050] Readline: expose rl_completion_quote_character variable (nobu)
- [Feature #14850] Add official API for setting timezone on Time (nobu)
- [Feature #14869] Proposal to add Hash#=== (nobu)
- [Feature #14916] Proposal to add Array#=== (aycabta)
- [Feature #14877] Calculate age in Date class (nobu)
- [Bug #14908] Enumerator::Lazy creates unnecessary Array objects. (nobu)

## From Attendees

(will be edited later)
(if you have a write access permission, please list directly)

- [Feature #5446] at_fork callback API (eregon) Can we get approval for introducing this? It is solving a real-world issue, in a more reliable way than the various hacks in most Ruby servers.
- [Feature #11258] add 'x' mode character for O_EXCL (kazu)
- [Misc #14907] io.c: do not close inherited FDs by default (akr)
- [Feature #14973] Proposal of percent literal to expand Hash (aycabta)

## From non-attendees

- [Feature #14717] thread: allow disabling preempt (normalperson)
- [Feature #11076] Enumerable method count_by (baweaver)
    As mentioned in the discussion, Nobu was kind enough to update this to work with current master for Ruby:     https://github.com/ruby/ruby/compare/trunk...nobu:feature/11076-Enumerable%23count_by

    As the code is already written I believe it would be an ideal target for 2.6 as a quick win on an often requested feature.
* [Feature #14954] Add :wait option to RubyVM::MJIT.pause (k0kubun)
  * Since it's not released even in preview2 yet, is it okay to change the behavior?
  * Is there any objection for having the option or the option name?
- (baweaver)
  * [Feature #14869] Proposal to add Hash#=== (nobu)
  * [Feature #14916] Proposal to add Array#=== (aycabta)
  * [Feature #14912] Introduce pattern matching syntax
 
    I believe that these three items are related, and personally I could do a lot of very interesting things with `Array#===` and `Hash#===` that would get us exceptionally close to features discussed in  [Feature #14709]

    This to say I would second the inclusion of the first two items as they relate to the third and fourth. It would give Ruby an exceptional amount of power.

- [Feature #14759] [PATCH] set M_ARENA_MAX for glibc malloc (sam.saffron)
    I would also very much like to see it backported 2.4 and 2.5. It is of enormous value to the ecosystem
- [Feature #14736] Thread selector for flexible cooperative fiber based concurrency (ioquatix)
- [Feature #14739] Improve fiber yield/resume performance  (ioquatix)
* [Bug #14968] io.c: make all pipes nonblocking by default (normalperson) 
*  [Misc #14937] timer-thread elimination depends on [Bug #14968] (normalperson)

- [Feature #14944] Support optional inherit argument for Module#method_defined?  (jeremyevans0)

(will be edited later)
(if you have a write access, please list directly)



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