From: Logan Capaldo <logancapaldo@...>
Date: 2007-09-03T00:00:46+09:00
Subject: Re: idiomatic way to assign if not nil?

On 9/2/07, Phrogz <phrogz@mac.com> wrote:
> On Aug 31, 12:40 am, aalfred <alfred.anzlo...@gmail.com> wrote:
> > Recently I had a similar problem. After some refactoring of code
> > I rewrote the code with two (non-existing, but very DRY operators)
> >
> > I had those two cases:
> >
> >   foo = bar if !bar.nil?                 # (case 1)  or
> >   foo = bar if foo.nil? && !bar.nil?     # (case 2)
> >
> > and rewrote them into:
> >
> >   foo ??= bar       # case 1
> >   foo !!= bar       # case 2
>
> How did you do that, given that those operators are (as you say) non-
> existing, and the code in your resulting code produces a syntax error
> (under 1.8.6, anyhow)? Did you modify the Ruby source?
>
I don't think he did any such thing. I think when he says he rewrote
it, he means just that, he rewrote it, not that it actually worked or
anything :)
>
>