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Profile

mame (Yusuke Endoh)

  • Login: mame
  • Email: mame@ruby-lang.org
  • Registered on: 05/28/2008
  • Last sign in: 09/24/2025

Issues

open closed Total
Assigned issues 2 147 149
Reported issues 20 336 356

Projects

Project Roles Registered on
Ruby Committer, Security team, Infrastructure team 05/28/2008

Activity

11/20/2025

04:54 AM Ruby Feature #21675: Advent of Pattern Matching
We briefly discussed this at the monthly dev meeting. While we haven't reached a consensus on whether the scope of pattern matching should be expanded in general, I would like to share one specific concern that came up during the discuss... mame (Yusuke Endoh)

11/19/2025

02:01 PM Ruby Bug #21698: Should simple ArgumentError refer to Object?
Displaying the method owner class was decided in #19117. The fact that it was not displayed for `"wrong number of arguments"` errors was simply a bug due to an oversight.
We were aware at the time of #19117 that this change would be i...
mame (Yusuke Endoh)

11/18/2025

02:09 AM Ruby Bug #21692: Basic gems like `date` require a compiler
Ah, it seems this happens on Ubuntu 24.04, without a `Gemfile.lock`, and when the `Gemfile` does not list the indirect dependencies.
I found three workarounds.
### 1\. Add a `Gemfile.lock`
If a proper `Gemfile.lock` is present, ...
mame (Yusuke Endoh)

11/17/2025

06:11 PM Ruby Bug #21692: Basic gems like `date` require a compiler
I think what you want is `bundle install --prefer-local`. (I wonder why this option is not the default.) mame (Yusuke Endoh)
09:21 AM Ruby Bug #21498: Windows - Ruby Overrides C Library APIs thus breaking them
I feel your communication on this ticket suffers from what is known as the [XY problem](https://en.wikipedia.org/wiki/XY_problem). You are focusing on your proposed solution ("remove the override"), without first detailing the original p... mame (Yusuke Endoh)
07:00 AM Ruby Bug #21498: Windows - Ruby Overrides C Library APIs thus breaking them
I commend YO4-san for their insight into the debug/release build discrepancy.
I'm now convinced the root cause is loading multiple runtimes. Therefore, I agree with @nobu's fix: we should prohibit loading multiple runtime versions, no...
mame (Yusuke Endoh)
02:05 AM Ruby Misc #21689 (Open): DevMeeting-2025-12-11
# The next dev meeting
**Date: 2025/12/11 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 o...
mame (Yusuke Endoh)
02:04 AM Ruby Misc #21647 (Closed): DevMeeting-2025-11-13
mame (Yusuke Endoh)

11/15/2025

07:59 PM Ruby Bug #21498: Windows - Ruby Overrides C Library APIs thus breaking them
cfis (Charlie Savage) wrote in #note-15:
> When I step through with a debugger, this line forces an early return from the function. So fclose is never called.
> ...
Thank you for debugging. The early return (not calling `fclose` when `...
mame (Yusuke Endoh)

11/14/2025

04:45 PM Ruby Bug #21049 (Open): Reconsider handling of the numbered parameters and "it" parameter in `Binding#local_variables`
mame (Yusuke Endoh)

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