Topics tagged optional

Topic	Replies	Views	Activity
Optional implementation. Nil in switch. And init with `Wrapper` type Using Swift optional	1	1545	October 25, 2021
Optional properties get unwanted default values in memberwise initializers Discussion init , optional	12	1528	September 30, 2021
Extracting expression to variable assignment changes its value? Using Swift optional	4	632	May 22, 2021
Appending KeyPaths to Optional values; impossible? Using Swift generics , keypaths , optional	1	904	May 17, 2021
“Three way optionals” / Distinguishing unknown and absent values Using Swift optional , best-practices	13	2644	March 11, 2021
Using Mirror to access value of a property of an optional property of self Using Swift optional , any , mirror	1	2140	March 10, 2021
NSLocalizedString vs swift Using Swift string , optional	6	2742	March 5, 2021
Doesn't wrapped optional property get nil as default? Using Swift optional , propertywrapper	4	2950	March 5, 2021
Swift `Any? == nil` behavior as a dictionary value Using Swift optional , optionals , any , dictionary	1	2306	March 4, 2021
Unexpected memberwise inits for all-optional structs Using Swift bug , init , optional	5	1124	October 14, 2020
Syntactic sugar for assigning Optional values and conditional assignment Pitches optional , assignment	9	2098	September 4, 2020
Unexpected coalescing Using Swift optional	3	470	August 28, 2020
ExpressibleByStringLiteral with optionals Using Swift string , optional , protocols	4	1876	August 5, 2020
Optional Date is not working? Using Swift swift5 , optional , date	4	3050	July 22, 2020
What is the canonical way to get the Wrapped type from an Optional? Using Swift optional	3	1057	July 6, 2020
Publisher.assign(to:on:), ReferenceWritableKeyPath, and optional chaining Using Swift keypaths , optional , combine	2	5265	June 24, 2020
Conditional protocol conformance for Optional where Wrapped - issues with "Any" Using Swift optional , protocols , any	3	1952	June 8, 2020
Identify implicitly-unwrapped optionals Using Swift optional	0	543	May 24, 2020
Optional `hasValue` Pitches optional	18	3453	May 11, 2020
Implicit optional unwrapping in simple ternary conditional expressions, i.e. a != nil ? [a] : [] Pitches optional	17	2734	May 8, 2020
Gauging community sentiment: `OptionalProtocol` Discussion optional , protocols	4	1024	April 11, 2020
New Convenient Behavior for Ternary Operator Discussion optional , ternary-operator	11	3177	March 7, 2020
Unwrapped Arguments for Functions Pitches optional	25	5314	March 7, 2020
Optional Binding and the if let usage Using Swift optional	6	3881	February 14, 2020
Protocol conformance and `Optional`s Using Swift optional , protocols	37	5229	December 2, 2019
Allowing explicit @escaping for optional closures in function parameters Pitches optional , help-needed , closure	25	5086	September 7, 2019
A dedicated function for evaluating Void returning closures when Optional instance is not nil Pitches foundation , optional	92	6295	September 3, 2019
@unrequired in function signature for optional closure parameters Pitches optional , closure	60	10994	August 14, 2019
[Syntax] Default name for optional binding self and other properties Pitches optional	5	1653	July 31, 2019
How do I test nested Optional<Any> for nil? Using Swift optional	9	1867	July 6, 2019