From: Andrew Walrond <andrew@...>
Date: 2005-04-24T02:04:00+09:00
Subject: Re: Suggestion: Hash.remove

On Saturday 23 April 2005 15:37, Florian Gro� wrote:
> Andrew Walrond wrote:
> > Something I often find useful is a version of Hash.delete which returns
> > the hash rather than the deleted item. Useful for terse chained code.
>
> You want to do hash.delete("foo").delete("bar").delete("qux").

Yes, but more usually just an assignment:

attribs = {'version'=>version}.update(@versions[version]).remove('files')

>
> Why don't you do this?
>
> %w(foo bar qux).each do |key|
>    hash.delete(key)
> end
>

Because small code is often beautiful code, and I never use three lines to do 
a one line job ;)

> New keys can easily be added and is not repetitive at all.
>
> Perhaps you could instead change your proposal to make .delete() accept
> multiple keys?

That would definately be a good, backwardly compatible setp.

Andrew