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 08:37:45 +0000
On Jul 7, 2015, at 01:33 , Rick Mann <email@hidden> wrote:
>
> Yeah, there doesn't seem to be an elegant way to do it
Actually, there is:
> let thumbURL: String? =
> {
> for imgD in images
> {
> if let isHero = imgD["is_hero"] as? Bool where isHero,
> let t = imgD["thumbnail_signed_src"] as? String
> {
> return t
> }
> }
>
> return nil
> } ()
Or, if you prefer, instead of using a closure, you can define a nested function and call it to get the initial value.
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