[ruby-core:70811] [Ruby trunk - Feature #10594] Comparable#clamp

Issue #10594 has been updated by Benoit Daloze.


Hans Mackowiak wrote:
> Motohiro KOSAKI wrote:
> > I really dislike using Comparable for this method because clamp is NOT kind of compare. If it is Numeric's method, I'm OK.
> 
> hm imo its better in Comparable than in Numeric because it does work for non Numeric objects too, like for String
> thats why its better central in Comparable than in Numeric.

Good luck explaining the precise semantics of clamp on String though.

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Feature #10594: Comparable#clamp
https://bugs.ruby-lang.org/issues/10594#change-54193

* Author: Chris Johnson
* Status: Open
* Priority: Normal
* Assignee: 
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This is basically a re-opening of the feature request of issue#4573 (https://bugs.ruby-lang.org/issues/4574), which was closed due a naming debate.

It seems the standard naming for restricting a number to a specified range is indeed 'clamp'.  (1)(2)(3)

As such, can we use Yusuke Endoh's original patch with the naming adjustments?  If so, I can provide accordingly.

Cheers.

(1) http://www.rubydoc.info/github/epitron/epitools/Numeric:clamp
(2) http://stackoverflow.com/questions/12020787/is-there-a-limit-clamp-function-in-ruby
(3) https://developer.gnome.org/glib/stable/glib-Standard-Macros.html#CLAMP:CAPS


---Files--------------------------------
num_clamp.c (427 Bytes)
comparable-clamp.diff (2.52 KB)


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