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Questions - swift-optionals

how can i fix this? it tells me that optional "!" is not needed

var camera = UIImage(named: "1")! var city = UIImage(named: "2")! var animals = UIImage(named: "3")! var flowers = UIImage(named: "4")! var stand = UIImage(...
test-img

Nika Erema

swift

swift-optionals

Votes: 0

Answers: 1

Latest Answer

Declare images like let camera: UIImage = UIImage(named: "1") ?? UIImage() and then you will be sure that even when there is no image named "1" the app won't crash. You can also c...
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stoikokolev

Generic decoding json into object with optionals

I wrote an extension to Decodable with the hopes of having a generic constructor for objects from json strings, it looks like this: extension Decodable { init?(with dictionary: [String: Any]) { ...
test-img

Sebby Fay

json

swift

decoder

swift-optionals

Votes: 0

Answers: 1

Latest Answer

if let jsonData = data { do { var model = try decoder.decode(Goer.self, from: jsonData) print("model:\(model)") } catch { print("error:\(error)") ...
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Leo Chen

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