From: dblack@...
Date: 2006-10-30T03:49:44+09:00
Subject: Re: !x.include? y

Hi --

On Mon, 30 Oct 2006, Vincent Fourmond wrote:

> Giles Bowkett wrote:
>
>> list.reject! {|thing| not list_of_acceptable_values.include?
>> thing.attribute}
>>
>> is there a nicer way to do it?
>
> list.select {|thing| list_of_acceptable_values.include? thing.attribute
> }  ??
>
>  But then you need to reassign list, since I don't know of any select!

This would be a nice use for delete_unless.


David

-- 
                   David A. Black | dblack@wobblini.net
Author of "Ruby for Rails"   [1] | Ruby/Rails training & consultancy [3]
DABlog (DAB's Weblog)        [2] | Co-director, Ruby Central, Inc.   [4]
[1] http://www.manning.com/black | [3] http://www.rubypowerandlight.com
[2] http://dablog.rubypal.com    | [4] http://www.rubycentral.org