Issues · Glasgow Haskell Compiler / GHC · GitLab

DeriveGeneric gets a wrong infix constructor associativity when type is declared in a different module

#18101 · opened Apr 26, 2020 by Xia Li-yao Pnormal bug deriving generics incorrect runtime result
- 0
updated May 10, 2020
Generic1 deriving should use more coercions

#15969 · opened Nov 29, 2018 by David Feuer Pnormal Trac import bug deriving generics runtime perf 5
- 4
updated Jan 23, 2020
Derive Generic1 instances for types of kind (k -> *) -> * that include applications of the parameter

#15310 · opened Jun 25, 2018 by cedricshock Plow Trac import feature request generics typechecker 3
- 3
updated Jul 07, 2019
Prohibit user-defined Generic and Generic1 instances

#13065 · opened Jan 04, 2017 by David Feuer Pnormal Trac import feature request generics 5
- 13
updated Jan 23, 2020