Topics tagged optional

Topic	Replies	Views	Activity
`Bool?` is not optional? Using Swift optional , type-inference	5	374	September 15, 2023
Comparing result of `try?` Using Swift optional , error	3	248	August 25, 2023
Optional `ExpressibleByWrappedValue` superpowers Using Swift optional	19	695	July 28, 2023
Implicitly unwrapped optionals in tuples Using Swift optional , tuple	2	260	July 28, 2023
[Pitch] Extending optional chains to include for loops Pitches optional	51	2900	July 24, 2023
Ways to unwrap-mutate-wrap optionals Discussion optional	4	670	July 2, 2023
Does Optional solve a problem that Result does not anymore? Using Swift optional	20	1093	June 6, 2023
"Removing implicit `nil` initial value for Optional-typed variables" Discussion optional , properties , swift6 , nil	9	1056	April 17, 2023
Optional decoding superpowers Using Swift codable , optional , jsondecoder	9	1018	March 22, 2023
Problem fixing error message related to optionals Using Swift generics , optional , error	2	349	March 19, 2023
A More Swifty Way to Check an Optional for a Nil Value Pitches optional	58	35629	December 12, 2022
Unable to set non-optional value for `WritableKeyPath` to optional `Value` Using Swift bug , keypaths , optional	2	358	November 10, 2022
`if let x as? T` ↔ `if let x = x as? T` Pitches optional	6	955	October 19, 2022
Binding<T> accesses wrapped value on init Using Swift optional , binding	8	1159	August 17, 2022
Optional comparison revisited Discussion optional	36	2006	July 9, 2022
When to use Optionals Using Swift optional	5	632	July 3, 2022
KeyPath<T, U?> required, but I only have KeyPath<T, U> Using Swift keypaths , optional	3	1913	May 24, 2022
Explicit type name for implicitly unwrapped optional type Using Swift optional	5	375	May 9, 2022
.none vs nil Discussion optional	14	3028	February 3, 2022
Odd behavior related to [T?] as? [T] Using Swift array , optional , type-casting , as	17	1288	February 2, 2022
Dictionary initialization refinement suggestion Discussion init , optional , dictionary	6	1015	December 15, 2021
Decoding of optionals missing in json Discussion json , optional , jsondecoder	11	6391	November 15, 2021
SwiftUI oddity with optionals Using Swift optional , swiftui	4	665	October 26, 2021
Optional implementation. Nil in switch. And init with `Wrapper` type Using Swift optional	1	979	October 25, 2021
How to unwrap an optional option (ie 'var window?') Using Swift optional	11	1307	October 7, 2021
Optional properties get unwanted default values in memberwise initializers Discussion init , optional	12	904	September 30, 2021
Extracting expression to variable assignment changes its value? Using Swift optional	4	498	May 22, 2021
Appending KeyPaths to Optional values; impossible? Using Swift generics , keypaths , optional	1	690	May 17, 2021
“Three way optionals” / Distinguishing unknown and absent values Using Swift optional , best-practices	13	1797	March 11, 2021
Using Mirror to access value of a property of an optional property of self Using Swift optional , any , mirror	1	1322	March 10, 2021