matz (Yukihiro Matsumoto)

  • Login: matz
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  • Registered on: 05/09/2008
  • Last connection: 08/28/2020


open closed Total
Assigned issues 219 605 824
Reported issues 1 27 28


Project Roles Registered on
Ruby Developer 01/08/2009
Backport186 Developer 05/16/2009
Backport187 Developer 01/08/2009
Backport191 Developer 05/16/2009
Backport192 Developer 10/05/2011
Backport193 Developer 08/24/2011
Backport200 Developer 02/17/2013
Backport21 Developer 12/21/2013
Backport22 Developer 12/19/2014
CommonRuby Developer 12/21/2012
Ruby 1.8 Developer 05/18/2008
Ruby master Manager, Developer 05/18/2008



08:49 AM Ruby master Feature #15504: Freeze all Range objects
I agree with making ranges frozen. I don't see any particular case that could be broken by frozen ranges.
Since ther...
matz (Yukihiro Matsumoto)
06:53 AM Ruby master Bug #17030: Enumerable#grep{_v} should be optimized for Regexp
As far as we measured, there are still plenty of room for the optimization (for example, we don't need to allocate `M... matz (Yukihiro Matsumoto)
06:23 AM Ruby master Feature #17056: Array#index: Allow specifying the position to start search as in String#index
How do you think about end index? Do we need it? If so, should we add end index to `String#index` as we...
matz (Yukihiro Matsumoto)
06:07 AM Ruby master Feature #14394 (Feedback): Class.descendants
Although on some implementation, `#descendants` can be slow since it may be implemented by scanning whol...
matz (Yukihiro Matsumoto)
05:30 AM Ruby master Bug #15661: Disallow concurrent Dir.chdir with block
It's hard to estimate how big the incompatibility is. But I'd like to try it.
I hope we don't see any big problem.
matz (Yukihiro Matsumoto)
05:21 AM Ruby master Bug #15712: DateTime#=== should be defined and compare date and time instead of just the date
I admit it is a bug. But we consider use of `DateTime` should be discouraged. So we keep this **bug** behavior for co... matz (Yukihiro Matsumoto)
04:58 AM Ruby master Feature #17143: Improve support for warning categories
Adding category to the warning seems a good idea. But I have the following concerns:
* Category should be specifie...
matz (Yukihiro Matsumoto)
04:45 AM Ruby master Bug #17144 (Closed): { ... } does not unlink the file
To keep compatibility, we are not going to change the behavior of ``. But to reduce the confusion, docum... matz (Yukihiro Matsumoto)
04:26 AM Ruby master Feature #16994 (Feedback): Sets: shorthand for frozen sets of symbols / strings
We are going to introduce built-in set, but not in 3.0 (too little time to implement it before 3.0 release).
After m...
matz (Yukihiro Matsumoto)


02:24 PM Ruby master Feature #17177 (Rejected): Include the current file name and the line number in the output of `p`
Rejected. I agree this behavior is convienient in some cases, but changing `p` is too drastic and incompatible.
matz (Yukihiro Matsumoto)

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