[#92063] [Ruby trunk Misc#15723] Reconsider numbered parameters — zverok.offline@...
Issue #15723 has been updated by zverok (Victor Shepelev).
3 messages
2019/03/31
[ruby-core:92026] [Ruby trunk Feature#15730] Add map_with_index method
From:
matz@...
Date:
2019-03-28 01:19:32 UTC
List:
ruby-core #92026
Issue #15730 has been updated by matz (Yukihiro Matsumoto).
Status changed from Open to Closed
Use `map.with_index`.
Matz.
----------------------------------------
Feature #15730: Add map_with_index method
https://bugs.ruby-lang.org/issues/15730#change-77351
* Author: jzakiya (Jabari Zakiya)
* Status: Closed
* Priority: Normal
* Assignee:
* Target version:
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I was converting some Ruby code to Crystal on Rosetta Code and came across this Ruby snippet,
```
arry.each_with_index.map{ |x,y| ......}
```
where ``arry`` is an array of integers.
This wouldn't convert directly into Crystal (wouldn't compile).
Looking at their ``enumerables`` methods they have ``map_with_index``, and that works.
```
arry.map_with_index{ |x,y| ......}
```
I don't know how frequently in Ruby this method combination exits, but I suspect it's somewhat common.
I think this method makes a whole lot of logical sense, would optimize the concept, and makes reading code easier.
Anyway, thanks for any consideration.
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