Issue #15523 has been updated by mrkn (Kenta Murata).


@sawa Sorry, please don't mind my previous comment.  I confused the behavior of Range and one of ArithmeticSequence.

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Feature #15523: `Range#begin` and `Range#end`
https://bugs.ruby-lang.org/issues/15523#change-76310

* Author: sawa (Tsuyoshi Sawada)
* Status: Open
* Priority: Normal
* Assignee: 
* Target version: 
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My understanding is that `Range#begin` and `Range#end`'s features are just subsets of `Range#first` and `Range#last`, respectively. And since they are slightly confusing with the keywords `begin` and `end`, I propose to either:

* Let `Range#begin` and `Range#end` be aliases of `Range#first` and `Range#last`, respectively, or
* Let `Range#begin` and `Range#end` be obsolete after a migration path of waning against their use and recommending the use of `Range#first` and `Range#last` instead.





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