Re: Possible to defer initialization of let variable?
Re: Possible to defer initialization of let variable?
- Subject: Re: Possible to defer initialization of let variable?
- From: Quincey Morris <email@hidden>
- Date: Tue, 07 Jul 2015 08:49:19 +0000
On Jul 7, 2015, at 01:39 , Rick Mann <email@hidden> wrote:
>
> The problem arises when you want to initialize more than one variable in that block of work.
If you ask the wrong question, you get a wrong answer. :)
You can use a tuple:
> let (thumbURL, isHero) =
> {
> () -> (String?, Bool) in
>
> for imgD in images
> {
> if let isHero = imgD["is_hero"] as? Bool where isHero,
> let t = imgD["thumbnail_signed_src"] as? String
> {
> return (t, isHero)
> }
> }
>
> return (nil, false)
> } ()
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