Topics tagged opaque-types

Topic	Replies	Views	Activity
Opaque return type cannot be sending Compiler associatedtype , opaque-types	8	249	January 20, 2026
Opaque return type fails when using variadic generics Using Swift opaque-types , variadic-generics	1	133	July 15, 2025
Where is the line between using an existential vs generic? Using Swift generics , opaque-types , existential	12	796	March 13, 2025
How do you assign to a protocol requirement with an opaque instance? Using Swift protocols , opaque-types	5	155	February 21, 2025
How do you forward opaque inputs to default implementation outputs without a derived protocol? Using Swift opaque-types , protocol-inheritance	2	182	February 18, 2025
Different returned type when using some vs any in function signature on a view Using Swift generics , swiftui , opaque-types , existential , sil	1	192	February 7, 2025
Opaque type as generic type constraint of another opaque type Using Swift generics , opaque-types	1	120	December 4, 2024
Error when passing closure with any Shape to a function expecting some Shape Using Swift opaque-types , existential	5	242	October 26, 2024
Using opaque types as @Environment variables Using Swift opaque-types	3	192	September 27, 2024
Strange compiler behaviour in implicitly opened existentials Compiler generics , opaque-types , type-erasure	2	410	July 3, 2024
Understanding Opaque Types Using Swift opaque-types	3	364	May 27, 2024
Runtime crash when calling functions with opaque return types stored as closures Compiler opaque-types	6	1074	May 16, 2024
OpaquePointer errors with complex functions in Accelerate Using Swift opaque-types , accelerate	17	684	May 10, 2024
Fussing about so called opaque and boxed types, any help will be appreciated Using Swift opaque-types	12	1257	April 16, 2024
Cannot use `nil` or `.none` with Optional<some T> Using Swift optional , opaque-types	8	1265	February 17, 2024
Advice Needed for Making Use of Generics/Opaques/Existentials Using Swift generics , opaque-types , existential , protocol-inheritance	2	427	January 29, 2024
Is there any way to return a type (not an instance) as an opaque type? Using Swift protocols , typealias , access-control , associatedtype , opaque-types	3	1145	January 10, 2024
What are Opaque Types? Using Swift opaque-types	2	1323	January 6, 2024
How do I use opaque return types with lazy sequences? Using Swift lazy , opaque-types , lazysequence	17	916	November 14, 2023
Create generic opaque return type dynamically Compiler generics , opaque-types , mangling	0	489	September 14, 2023
Compiler Error When Comparing 'some Protocol' Instances Using Swift opaque-types	5	758	June 14, 2023
When to use opaque types in variable declarations Using Swift opaque-types	4	1133	June 14, 2023
Method dispatch for opaque types Using Swift generics , opaque-types	8	953	May 28, 2023
Segfault in "outlined init with copy" Using Swift crash , opaque-types	0	994	May 12, 2023
Nesting Functions returning Protocol Types aren't "Invalid" in Swift 5.8 Discussion protocols , opaque-types	2	793	April 12, 2023
Property wrapper with Opaque Type Using Swift opaque-types , propertywrapper , type-inference	2	753	January 16, 2023
[Discussion] Eliding `some` in Swift 6 Discussion generics , opaque-types	140	10476	November 8, 2022
[Pitch] - Take associated type inference one step further as compared to Swift 5.7 Pitches generics , opaque-types , type-inference , generic-constraint , ass	0	836	November 8, 2022
Compiler crash: error: memory read failed for 0xb3261800 Compiler error , crash , closure , opaque-types , asyncawait	0	1499	November 4, 2022
More problems with Swift's type system Using Swift associatedtype , opaque-types , identifiable	5	975	September 11, 2022