Topics tagged hashable

Topic	Replies	Views	Activity
[Pitch] Automatic `Hashable` Conformance for Tuples (Revival of SE-0283) Pitches swift-evolution , hashable , tuple , pitch	12	828	November 12, 2025
Why does casting AnyHashable to NSObject always succeed? Using Swift objective-c , hashable , type-casting , anyhashable	3	245	October 5, 2025
How to implement the same Hashability for different values? Using Swift hashable	3	175	March 31, 2025
Custom AnyXYZ with implicit casting (like AnyHashable) Using Swift hashable , any , dictionary , existential , anyhashable	8	189	September 16, 2024
Hash(into:) vs hashValue Using Swift protocols , hashable	1	616	April 2, 2024
Role of `Equatable` conformance when inserting element inside a `Set` Using Swift hashable , stdlib , equatable , set	6	519	January 15, 2024
Warning about `hasher.combine(self)` Pitches hashable	8	1071	May 3, 2023
Calling though `super` == Using Swift equality , hashable , propertywrapper	1	573	November 18, 2022
Why does Hashable require Equatable? Discussion hashable	57	14057	November 8, 2022
Possible Bug in Swift 5.6 stdlib: Custom Hashable implementation in protocol extension causes infinite loop when used by RawRepresentable types Core Libraries bug , hashable , enums	5	1095	June 30, 2022
Substring violates Hashable's requirements - stdlib/compiler bug? Using Swift string , bug , hashable , stdlib	6	1352	June 11, 2022
On purity grades of value types [was: ValueType protocol] Discussion reference , hashable , protocol , dictionary	31	4297	September 21, 2021
Set Uniqueness of instances with the same hashValue Using Swift collection , hashable , autodiff , equatable	6	2486	March 3, 2021
Meaning of 'must' in `Hashable` documentation Using Swift hashable	3	1447	October 28, 2020
Hashable.hash(into:) problem on iOS 9 Using Swift hashable	4	863	August 14, 2020
Do I have to re-define equality/hashing for NSObject sub-classes? Using Swift equality , inheritance , hashable , conformance	0	820	April 20, 2020
Hashable not auto-implementing when a member has a protocol type whose conformers must be Hashable Using Swift compiler , protocols , hashable , question	12	3672	February 21, 2020
Hashing Weak Variables Using Swift hashable , weak	19	3397	December 5, 2019
PrePitch: Memberwise protocol requirement synthesis for structs Pitches protocols , hashable	2	1076	June 23, 2019
Concrete Type Conformance to 'Hashable' Protocol Using Swift generics , protocols , hashable	4	10278	February 14, 2019
Uniquing collections efficiently Pitches hashable	7	1789	February 2, 2019
How is synthesized Hashable implemented? Compiler hashable	3	5567	September 10, 2018
Hashable struct in function Using Swift hashable	10	2348	August 31, 2018