[ruby-core:115246] Re: [Ruby master Feature#19987] add sample method to Range

Sounds logical, thank you.

Andras



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On Sunday, November 5th, 2023 at 10:39 AM, ufuk (Ufuk Kayserilioglu) via ruby-core <[e-mail]> wrote:


> Issue #19987 has been updated by ufuk (Ufuk Kayserilioglu).
> 
> 
> The `first` call works because `Range` is an `Enumerable`, and since getting the first element is an act of enumeration. On the other hand, `sample` needs to know the full list to do what it is doing, so can't be seen as an act of enumeration.
> 
> For example, `first` would work with an unbounded enumerable, but there is no way `sample` could:
> ```ruby
> (1..).first(5)
> # => [1, 2, 3, 4, 5]
> 
> ```
> 
> ----------------------------------------
> Feature #19987: add sample method to Range
> https://bugs.ruby-lang.org/issues/19987#change-105158
> 
> * Author: [e-mail] (Andras Horvath)
> * Status: Open
> * Priority: Normal
> ----------------------------------------
> Dear Devs, I'd like to suggest a change. Since the following works:
> 
> (1..99).first(5)
> 
> Therefore this one could be logical and useful to work:
> 
> (1..99).sample(5)
> 
> Thanks,
> Andras
> 
> 
> 
> --
> https://bugs.ruby-lang.org/
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