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Profile

matz (Yukihiro Matsumoto)

  • Login: matz
  • Email: matz@ruby.or.jp
  • Registered on: 05/09/2008
  • Last sign in: 05/16/2024

Issues

open closed Total
Assigned issues 148 687 835
Reported issues 1 29 30

Projects

Project Roles Registered on
Ruby Owner, Committer 05/18/2008

Activity

10/23/2025

06:50 AM Ruby Bug #21640: Core Pathname is missing 3 methods / is partially-defined
I'd like to document clearly that those 3 methods require explicit "require".
Matz.
 matz (Yukihiro Matsumoto)
06:47 AM Ruby Misc #21630: Suggest @Earlopain for core contributor
I agree with @naruse. We will revisit this issue some time (a few months?) later.
Matz.
 matz (Yukihiro Matsumoto)
06:45 AM Ruby Feature #20163: Introduce #bit_count method on Integer
Is there any real-world use-case for Integer#popcount method?
Bit-array?
Matz.
 matz (Yukihiro Matsumoto)
06:42 AM Ruby Feature #21615 (Rejected): Introduce `Array#values`
HI,
* Don't use principle of least surprise as your rationale, since background and assumption vary person to person
* I don't think Hashes can be naturally considered as Arrays with non-integer indexes. You can tell it from Hash#eac... matz (Yukihiro Matsumoto)
04:08 AM Ruby Misc #21609: Propose Stan Lo (@st0012) as a core committer
Agreed. Go ahead.
Matz.
 matz (Yukihiro Matsumoto)
04:07 AM Ruby Misc #21646: Propose Luke Gruber as a Ruby committer
Accepted. Go ahead.
Matz.
 matz (Yukihiro Matsumoto)

09/30/2025

02:34 AM Ruby Misc #21385: Namespace: Suggesting a rename
make_now_just (Hiroya Fujinami) wrote in #note-30:
> "Ruby Box" is a registered trademark in Japan by Hitachi Solutions Technology, Ltd.
> ...
Both Ruby and Box are common words, and mere combinations of them are not problematic, unles... matz (Yukihiro Matsumoto)

09/11/2025

05:21 AM Ruby Feature #21555 (Rejected): Add support for predicate attribute reader names
I still ask you to define `def valid? = @valid` manually. It is not much worse than `attr_reader :valid?`.
Matz.
 matz (Yukihiro Matsumoto)

09/09/2025

02:06 AM Ruby Misc #21566: Transfer Shopify/yjit-bench and speed.yjit.org to ruby/ruby-bench and *.ruby-lang.org
Sounds great! Go ahead.
Matz.
 matz (Yukihiro Matsumoto)

09/02/2025

03:13 AM Ruby Feature #17398: SyntaxError in endless method
Sounds reasonable, considering existing grammar.
Matz.
 matz (Yukihiro Matsumoto)

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