Topics tagged optional

Topic	Replies	Views	Activity
How to unwrap an optional option (ie 'var window?') Using Swift optional	12	2472	September 6, 2024
`Cannot find type 'Key' in scope` when extending optional Dictionaries Using Swift optional , extension , scope , dictionary	10	239	June 24, 2024
No way to create a non-nil std.optional in Swift C++ interoperability optional , cxx-interop	1	499	May 29, 2024
`if let x as? T` Pitches optional	14	2394	April 7, 2024
Optional<Error>'s localizedDescription vs error.debugDescription Using Swift optional , error	1	417	February 26, 2024
Cannot use `nil` or `.none` with Optional<some T> Using Swift optional , opaque-types	8	860	February 17, 2024
How does the optional chaining work here Using Swift optional	3	576	February 6, 2024
Can anyone explain this behavior in Optional Chaining? Using Swift optional	11	606	January 29, 2024
"Removing implicit `nil` initial value for Optional-typed variables" Discussion optional , properties , swift6 , nil	26	3052	November 9, 2023
`Bool?` is not optional? Using Swift optional , type-inference	5	904	September 15, 2023
Comparing result of `try?` Using Swift optional , error	3	696	August 25, 2023
Optional `ExpressibleByWrappedValue` superpowers Using Swift optional	19	1205	July 28, 2023
Implicitly unwrapped optionals in tuples Using Swift optional , tuple	2	636	July 28, 2023
[Pitch] Extending optional chains to include for loops Pitches optional	51	3642	July 24, 2023
Ways to unwrap-mutate-wrap optionals Discussion optional	4	1149	July 2, 2023
Does Optional solve a problem that Result does not anymore? Using Swift optional	20	1833	June 6, 2023
Optional decoding superpowers Using Swift codable , optional , jsondecoder	9	4373	March 22, 2023
Problem fixing error message related to optionals Using Swift generics , optional , error	2	588	March 19, 2023
A More Swifty Way to Check an Optional for a Nil Value Pitches optional	58	45169	December 12, 2022
Unable to set non-optional value for `WritableKeyPath` to optional `Value` Using Swift bug , keypaths , optional	2	662	November 10, 2022
Binding<T> accesses wrapped value on init Using Swift optional , binding	8	2312	August 17, 2022
Optional comparison revisited Discussion optional	36	3503	July 9, 2022
When to use Optionals Using Swift optional	5	4028	July 3, 2022
KeyPath<T, U?> required, but I only have KeyPath<T, U> Using Swift keypaths , optional	3	2381	May 24, 2022
Explicit type name for implicitly unwrapped optional type Using Swift optional	5	576	May 9, 2022
.none vs nil Discussion optional	14	6046	February 3, 2022
Odd behavior related to [T?] as? [T] Using Swift array , optional , type-casting , as	17	2022	February 2, 2022
Dictionary initialization refinement suggestion Discussion init , optional , dictionary	6	2060	December 15, 2021
Decoding of optionals missing in json Discussion json , optional , jsondecoder	11	8949	November 15, 2021
SwiftUI oddity with optionals Using Swift optional , swiftui	4	1101	October 26, 2021