From: Ryan Davis <ryand-ruby@...>
Date: 2009-12-25T10:05:47+09:00
Subject: [ruby-core:27318] Re: select!


On Dec 24, 2009, at 04:01 , Gavin Sinclair wrote:

> It seems wrong to me to invent new names when there's already a logical one.
> 
>  reject   reject!
>  select    ???
> 
> It's obvious what should go there, whether it's immediately appealing or not.
> 
> The least you can say is that it's perfectly clear (from the name)
> what select! would do if it existed.
> 
> As a datum: I've frequently typed select! in the past, expecting it to
> be there, so it _is_ useful to me.  (I then add it myself, of course,
> but curse having to do so.)

I still don't think the concept makes sense. Sure, you seem to want to use it, but in the same vain do you also reach for delete_if's opposite?

  ary.delete_unless { ... }

I sure don't. It doesn't make sense to me in exactly the same way that select! doesn't make sense to me.