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Question

Why does this expression have a valid type?

score 287 · Answer 1 · 2017-09-15 03:54:53

3

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287

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Why does this expression have a valid type?

287 views Asked by mherzl At 15 September 2017 at 03:54

score 237 · Answer 2 · 2014-12-19 18:17:36

Using custom instance when deriving an instance via GeneralizedNewtypeDeriving

237 views Asked by artella At 19 December 2014 at 18:17

score 214 · Answer 3 · 2020-11-27 03:24:10

defining new monad instance

214 views Asked by teraque At 27 November 2020 at 03:24

score 199 · Answer 4 · 2022-04-21 07:35:16

How to define overlappable depending instances?

199 views Asked by John Smith At 21 April 2022 at 07:35

score 2951 · Answer 5 · 2018-11-20 23:21:43

Deriving Via With Standalone Deriving

2.9k views Asked by Julian Birch At 20 November 2018 at 23:21

score 142 · Answer 6 · 2018-11-27 21:52:34

Using Deriving Via with Phantom Types

142 views Asked by Julian Birch At 27 November 2018 at 21:52

score 243 · Answer 7 · 2021-05-16 13:40:35

How can I coerce constraints?

243 views Asked by nicolas At 16 May 2021 at 13:40

score 958 · Answer 8 · 2020-07-19 16:22:42

Haskell Monoid Instance Question for a newtype

958 views Asked by Thunderbird At 19 July 2020 at 16:22

score 251 · Answer 9 · 2022-03-15 22:08:35

Unable to coerce during `DerivingVia` when using optics types like `Prism'`

251 views Asked by Sridhar Ratnakumar At 15 March 2022 at 22:08

score 239 · Answer 10 · 2021-01-28 09:12:23

Deriving Via: Cannot derive well-kinded instance

239 views Asked by Robert At 28 January 2021 at 09:12

TechQA.

List Question

Why does this expression have a valid type?

Using custom instance when deriving an instance via GeneralizedNewtypeDeriving

defining new monad instance

How to define overlappable depending instances?

Deriving Via With Standalone Deriving

Using Deriving Via with Phantom Types

How can I coerce constraints?

Haskell Monoid Instance Question for a newtype

Unable to coerce during `DerivingVia` when using optics types like `Prism'`

Deriving Via: Cannot derive well-kinded instance

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