From: Todd Benson <caduceass@...>
Date: 2008-03-11T08:19:04+09:00
Subject: Re: shortcut for x = [x] unless x.is_a?(Array)

On Mon, Mar 10, 2008 at 6:11 PM, Todd Benson <caduceass@gmail.com> wrote:
> On Mon, Mar 10, 2008 at 5:57 PM, Siep Korteling <s.korteling@gmail.com> wrote:
>  > Aryk Grosz wrote:
>  >  > Is there any prettier or cleaner way to write
>  >  >
>  >  >  x = [x] unless x.is_a?(Array)
>  >
>  >  x = x.to_a
>  >
>  >  Or am I overseeing something?
>  >
>  >  Regards,
>  >
>  >  Siep
>
>  #to_a can behave differently
>
>  x = {}
>  x = x.to_a
>  => [x]
>
>  x = {}
>
> x = [x] unless x.is_a?(Array)
>  => [{x}]
>
>  x = 5
>  x.to_a
>  => some warning about default to_a being deprecated

I should add, too, that Array[] is different than Array().

Todd