[ruby-core:86809] [CommonRuby Feature#14697] Introducing Range#% as an alias to Range#step

Issue #14697 has been updated by marcandre (Marc-Andre Lafortune).


I understand.
I guess it's a way to make `Enumerator::ArithmeticSequence` even more "core", even if it's rarely used.
Has there been discussion of:
* defining `Enumerator::ArithmeticSequence#===`?
* supporting `Array#[]` with `Enumerator::ArithmeticSequence` argument?

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Feature #14697: Introducing Range#% as an alias to Range#step
https://bugs.ruby-lang.org/issues/14697#change-71772

* Author: mrkn (Kenta Murata)
* Status: Open
* Priority: Normal
* Assignee: matz (Yukihiro Matsumoto)
* Target version: 
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In #13904, `Enumerator::ArithmeticSequence` has been accepted for the representation of a range with step value.
And in #12912, a new syntax of endless range `(1..)` has been accepted.

Combining these new features, we can write an endless step range like `(1..).step(2)` in Ruby 2.6.
It can be used for array slicing like python's `1::2`.

If `Range#%` is introduced as an alias to `Range#step`, we can write a step range like `(1..)%2`.
This notation is already introduced numo-narray.




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