Topics tagged optional

Topic	Replies	Views	Activity
Unable to set non-optional value for `WritableKeyPath` to optional `Value` Using Swift bug , keypaths , optional	2	185	November 10, 2022
`if let x as? T` ↔ `if let x = x as? T` Pitches optional	6	718	October 19, 2022
A More Swifty Way to Check an Optional for a Nil Value Pitches optional	57	29120	October 18, 2022
Binding<T> accesses wrapped value on init Using Swift optional , binding	8	300	August 17, 2022
Optional comparison revisited Discussion optional	36	1199	July 9, 2022
When to use Optionals Using Swift optional	5	318	July 3, 2022
KeyPath<T, U?> required, but I only have KeyPath<T, U> Using Swift keypaths , optional	3	1596	May 24, 2022
Explicit type name for implicitly unwrapped optional type Using Swift optional	5	251	May 9, 2022
.none vs nil Discussion optional	14	1698	February 3, 2022
Odd behavior related to [T?] as? [T] Using Swift array , optional , type-casting , as	17	739	February 2, 2022
Dictionary initialization refinement suggestion Discussion init , optional , dictionary	6	557	December 15, 2021
Decoding of optionals missing in json Discussion json , optional , jsondecoder	11	3287	November 15, 2021
SwiftUI oddity with optionals Using Swift optional , swiftui	4	437	October 26, 2021
Optional implementation. Nil in switch. And init with `Wrapper` type Using Swift optional	1	553	October 25, 2021
How to unwrap an optional option (ie 'var window?') Using Swift optional	11	741	October 7, 2021
Optional properties get unwanted default values in memberwise initializers Discussion init , optional	12	580	September 30, 2021
Extracting expression to variable assignment changes its value? Using Swift optional	4	423	May 22, 2021
Appending KeyPaths to Optional values; impossible? Using Swift generics , keypaths , optional	1	546	May 17, 2021
“Three way optionals” / Distinguishing unknown and absent values Using Swift optional , best-practices	13	1188	March 11, 2021
Using Mirror to access value of a property of an optional property of self Using Swift optional , any , mirror	1	672	March 10, 2021
NSLocalizedString vs swift Using Swift string , optional	6	1400	March 5, 2021
Doesn't wrapped optional property get nil as default? Using Swift optional , propertywrapper	4	1512	March 5, 2021
Swift `Any? == nil` behavior as a dictionary value Using Swift optional , optionals , any , dictionary	1	658	March 4, 2021
Unexpected memberwise inits for all-optional structs Using Swift bug , init , optional	5	604	October 14, 2020
Syntactic sugar for assigning Optional values and conditional assignment Pitches optional , assignment	9	1038	September 4, 2020
Unexpected coalescing Using Swift optional	3	291	August 28, 2020
ExpressibleByStringLiteral with optionals Using Swift string , optional , protocols	4	1138	August 5, 2020
Optional Date is not working? Using Swift swift5 , optional , date	4	1961	July 22, 2020
What is the canonical way to get the Wrapped type from an Optional? Using Swift optional	3	514	July 6, 2020
Publisher.assign(to:on:), ReferenceWritableKeyPath, and optional chaining Using Swift keypaths , optional , combine	2	2978	June 24, 2020