On Jul 7, 2015, at 01:21 , Rick Mann <[email protected]> wrote:
>
> 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
> {
> thumbURL = t
> break
> }
> }
You’ve still got a path where ‘thumbURL’ is uninitialized — when ‘images’ is
empty. I’m not sure if there’s an elegant way to do it, but you can do it by
brute force something like this:
> do
> {
> var url: String? = nil
>
> for imgD in images
> {
> if let isHero = imgD["is_hero"] as? Bool where isHero,
> let t = imgD["thumbnail_signed_src"] as? String
> {
> url = t
> break
> }
> }
>
> thumbURL = url
> }
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