From: Stefano Crocco <stefano.crocco@...>
Date: 2009-12-23T17:08:02+09:00
Subject: Re: newbie: if is not null else...

On Wednesday 23 December 2009, Joshua Ballanco wrote:
> |> $x ||= '-'
> |>
> |> 
> |>
> |> This is a short form for 
> |>
> |> 
> |>
> |> $x = $x || '-'
> |
> |Correction, it is short form for:
> |
> |$x || $x = '-'
> |
> |...trust me, we've been over this at least 3 times, at great length, on
> |the mailing list. ;-)

I may be missing something, but according to page 96 of "The Ruby Programming 
Language", my version seems to be the correct one. It states that:

results ||= []

expands to

results = results || []

Stefano