From: "matz (Yukihiro Matsumoto)" <matz@...>
Date: 2012-03-30T23:02:25+09:00
Subject: [ruby-core:43938] [ruby-trunk - Feature #5644] add Enumerable#exclude? antonym


Issue #5644 has been updated by matz (Yukihiro Matsumoto).


OK, you think negative for include? is special.  Understood.
But as Nikolai pointed out, exclude? is not the best name for the function.
Any alternative?

Matz.

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Feature #5644: add Enumerable#exclude? antonym
https://bugs.ruby-lang.org/issues/5644#change-25464

Author: sunaku (Suraj Kurapati)
Status: Feedback
Priority: Normal
Assignee: matz (Yukihiro Matsumoto)
Category: 
Target version: 


Please add Enumerable#exclude? as antonym of Enumerable#include?

This allows me to construct Boolean expressions more pleasantly:

  if File.exist? some_file and not some_list.include? some_file

Can be written as:

  if File.exist? some_file and some_list.exclude? some_file

Thanks for your consideration.


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