Question

Why do I have to type the input as `never` in a generic function?

score 68 · Answer 1 · 2024-02-11T20:38:09.337000

68

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Why do I have to type the input as `never` in a generic function?

Published on 11 February 2024 at 20:38

score 32 · Answer 2 · 2023-07-14T13:00:48.270000

32

Views

Java Covariant Override of Method with Contravariant Consumer as a Parameter

Published on 14 July 2023 at 13:00

score 386 · Answer 3 · 2023-01-22T10:26:26.603000

386

Views

How to work around the lack of invariant/contravariant type parameters in Dart?

Published on 22 January 2023 at 10:26

score 101 · Answer 4 · 2023-01-20T10:40:23.673000

101

Views

why the star projection is required in an is check in kotlin

Published on 20 January 2023 at 10:40

score 188 · Answer 5 · 2022-11-04T11:54:03.477000

188

Views

mypy does not recognize derived generic with different variance than the base class

Published on 04 November 2022 at 11:54

score 241 · Answer 6 · 2022-05-11T04:05:30.657000

241

Views

Scala variance positions - theory behind it?

Published on 11 May 2022 at 04:05

score 656 · Answer 7 · 2021-08-21T13:36:41.103000

656

Views

Workaround for TypeScript not inferring contravaraince?

Published on 21 August 2021 at 13:36

score 210 · Answer 8 · 2021-05-28T22:51:30.203000

210

Views

TypeScript: Hacking around unsoundness in a Map `getOrCreate` helper function

Published on 28 May 2021 at 22:51

score 107 · Answer 9 · 2021-04-25T19:11:31.087000

107

Views

Is this an example of a functional subtype relationship?

Published on 25 April 2021 at 19:11

score 7.1k · Answer 10 · 2021-02-28T14:30:51.763000

7.1k

Views

Difference between Variance, Covariance, Contravariance, Bivariance and Invariance in TypeScript

Published on 28 February 2021 at 14:30

score 148 · Answer 11 · 2020-09-15T23:45:24.267000

148

Views

Usage of Type parameterization, variance vs Inheritance base class

Published on 15 September 2020 at 23:45

score 118 · Answer 12 · 2020-05-19T11:43:21.613000

118

Views

Implicit resolution fails for a contravariant type with a type bound

Published on 19 May 2020 at 11:43

score 199 · Answer 13 · 2020-03-14T08:37:42.800000

199

Views

Is my workaround for covariant generic parameters necessary?

Published on 14 March 2020 at 08:37

score 172 · Answer 14 · 2019-10-02T13:09:08.130000

172

Views

How to instantiate a class as the interface that it derives from with constrained generic type parameter

Published on 02 October 2019 at 13:09

score 206 · Answer 15 · 2019-04-19T16:50:29.533000

206

Views

Kotlin generics: counterintuitive type inference and checking with out keyword

Published on 19 April 2019 at 16:50

score 248 · Answer 16 · 2019-04-01T12:57:53.363000

248

Views

Circumventing variance checks with extension methods

Published on 01 April 2019 at 12:57

score 396 · Answer 17 · 2019-01-20T12:32:39.503000

396

Views

How does contravariance work with Func delegate in .net core

Published on 20 January 2019 at 12:32

score 11.5k · Answer 18 · 2019-01-15T14:27:21.650000

11.5k

Views

Kotlin: Returning Array<E> from function with return type Array<I> if E is enum class that implements interface I

Published on 15 January 2019 at 14:27

score 339 · Answer 19 · 2018-12-07T08:52:52.150000

339

Views

Variance of Scala List map function

Published on 07 December 2018 at 08:52

score 1.7k · Answer 20 · 2018-11-21T07:56:51.910000

1.7k

Views

How can I handle this "which is not a subtype of overridden" error

Published on 21 November 2018 at 07:56

List Question

Why do I have to type the input as `never` in a generic function?

Java Covariant Override of Method with Contravariant Consumer as a Parameter

How to work around the lack of invariant/contravariant type parameters in Dart?

why the star projection is required in an is check in kotlin

mypy does not recognize derived generic with different variance than the base class

Scala variance positions - theory behind it?

Workaround for TypeScript not inferring contravaraince?

TypeScript: Hacking around unsoundness in a Map `getOrCreate` helper function

Is this an example of a functional subtype relationship?

Difference between Variance, Covariance, Contravariance, Bivariance and Invariance in TypeScript

Usage of Type parameterization, variance vs Inheritance base class

Implicit resolution fails for a contravariant type with a type bound

Is my workaround for covariant generic parameters necessary?

How to instantiate a class as the interface that it derives from with constrained generic type parameter

Kotlin generics: counterintuitive type inference and checking with out keyword

Circumventing variance checks with extension methods

How does contravariance work with Func delegate in .net core

Kotlin: Returning Array<E> from function with return type Array<I> if E is enum class that implements interface I

Variance of Scala List map function

How can I handle this "which is not a subtype of overridden" error

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