Questions tagged [forceunwrap]
5 questions
2
votes
3 answers
Any? incorect semantics
I was playing around with some code in swift and encountered one interesting case.
Lets start with a little preamble: suppose you create some optional variables:
let a: String? = "abcd"; let b: Int? = 4
print(
"Type of \(a) is \(type(of: a))"…
oneWayTicket
- 101
- 6
2
votes
1 answer
Why optional is not giving warning or asking for force unwraping?
struct SomeStruct {
var optVar : String?
var nonOptVar : String = "Hello"
var optvar2 : String!
}
let obj2 = SomeStruct(optVar: "a", nonOptVar: "b", optvar2: "c")
let a = obj2.optVar // why it is not asking for force unwraping
let b =…
iGagan Kumar
- 406
- 8
- 26
1
vote
2 answers
UIGraphicsGetImageFromCurrentImageContext() is giving me a chain reaction of forced unwrapped optionals I don't want in Swift
I'm confused about using UIGraphicsGetImageFromCurrentImageContext() in Swift, making me force unwrap it, even though it is defined with let. Adding in the ? or ! is making my code look messy and making me change everything after it. I'd like to not…
Chewie The Chorkie
- 4,896
- 9
- 46
- 90
-1
votes
2 answers
How to safely force unwrap time in dictionary
I have an issue. I have a dictionary type [String: Any]
my code that works is
dict["start"] = "\(start.hour!):\(start.minute!)"
if let end = end {
dict["end"] = "\(end.hour!):\(end.minute!)"
}
But as I use swiftlint it throws me an error for…
Jkrist
- 748
- 1
- 6
- 24
-1
votes
2 answers
Best way to remove force unwrapping
var recorder : Recorder? = nil
func startAudioRecording() {
if recorder == nil {
recorder = Recorder()
}
if !recorder!.isRunning() {
recorder?.startRecording({ [weak self] audioData in
…
Sanoj Kashyap
- 5,020
- 4
- 49
- 75