Ruby Issue Tracking System

06/05/2025

01:43 PM Ruby Bug #21396: Set#initialize should call Set#add on items passed in

I've always created custom variants of Set too, and I don't think it's rare to find these in in-house codebases.
knu (Akinori MUSHA)

01:31 PM Ruby Bug #21376: Inconsistent equality between Sets with different compare_by_identity, different classes

This bug in optimization in Set#== deserves to be fixed, I think. In hindsight, adding Set#compare_by_identity might... knu (Akinori MUSHA)

12:30 PM Ruby Feature #21390: Deprecate passing arguments to Set#to_set and Enumerable#to_set

I can agree with this. As it turned out, subclassing the Set class did not become very common, so I think it's fine ... knu (Akinori MUSHA)

04/15/2025

03:16 AM Ruby Feature #21216: Implement Set as a core class

This is wonderful, and I feel like I should have done this long ago.
Here's some thoughts.
Set was initially de... knu (Akinori MUSHA)

09/10/2024

01:22 PM Ruby Feature #18368: Range#step semantics for non-Numeric ranges

The compatibility with `(:a .. :z).step(3)` has also been restored.
https://github.com/ruby/ruby/pull/11573 knu (Akinori MUSHA)

08/22/2024

03:11 AM Ruby Feature #18368: Range#step semantics for non-Numeric ranges

If we take this compatibility as important and go with it, should we give up `("a".."aaaa").step("a")` or support it? knu (Akinori MUSHA)

02:44 AM Ruby Feature #18368: Range#step semantics for non-Numeric ranges

We have little choice but to specialize it for strings as we don't want to add support for `"a" + 3` that will most c... knu (Akinori MUSHA)

08/03/2024

06:39 PM Ruby Feature #20664: Add `before` and `until` options to Enumerator.produce

These options should take callables in this proposal. Procs and Methods certainly meet the condition: "Any value tha... knu (Akinori MUSHA)

06:22 PM Ruby Feature #20664: Add `before` and `until` options to Enumerator.produce

This proposal is based on the potential use cases I have experienced over the years. I've rarely seen a need for inf... knu (Akinori MUSHA)

04:41 PM Ruby Feature #20664 (Open): Add `before` and `until` options to Enumerator.produce

Enumerator.produce provides a nice way to generate an infinite sequence but is a bit awkward to define how to end a s... knu (Akinori MUSHA)