Issues · Glasgow Haskell Compiler / GHC · GitLab

Functional dependency should constrain local inferred type, but does not

#18406 · opened Jun 29, 2020 by Richard Eisenberg FunctionalDependencies Pnormal bug typechecker
- 4
updated Jul 20, 2020
Instances do not respect functional dependency, yet are accepted

#18400 · opened Jun 26, 2020 by Richard Eisenberg FunctionalDependencies Pnormal bug program incorrectly accepted
- 8
updated Jul 05, 2020
Inferred type too general, ignoring functional dependencies

#18398 · opened Jun 26, 2020 by Richard Eisenberg FunctionalDependencies Pnormal bug
- 0
updated Jul 05, 2020
Documentation for FunctionalDependencies is misleading/incomplete (and their behavior confusing) wrt overlapping instances

#17765 · opened Jan 30, 2020 by Jakob Brünker FunctionalDependencies OverlappingInstances Pnormal bug documentation
- 0
updated Feb 20, 2020
Why do we have both typeRep# and typeRep?

#17569 · opened Dec 12, 2019 by Richard Eisenberg FunctionalDependencies Typeable task
- 5
updated May 19, 2020
Poor interaction between functional dependencies and partial type signatures

#17024 · opened Aug 04, 2019 by David Feuer FunctionalDependencies Pnormal bug partial type sigs program incorrectly rejected typechecker
- CLOSED
- 2
- 12
updated Mar 12, 2020
GHC accepts DerivingVia-generated instances that violate functional dependencies

#17013 · opened Jul 31, 2019 by Alexis King FunctionalDependencies Pnormal deriving
- 4
updated Aug 01, 2019
Trivial Functional Dependencies (and downright nonsense) accepted

#16581 · opened Apr 16, 2019 by Anthony Clayden FunctionalDependencies Plow bug program incorrectly accepted 3
- 5
updated Jul 07, 2019
System FC for FunDeps: not doing what it says on the tin

#16430 · opened Mar 13, 2019 by Anthony Clayden FunctionalDependencies bug
- 17
updated Mar 23, 2019
Weird interaction between fundeps and overlappable instances

#15927 · opened Nov 21, 2018 by Darwin226 8.6.3 FunctionalDependencies Pnormal Trac import bug 5
- 8
updated Jul 07, 2019
Undependable Dependencies

#15632 · opened Sep 12, 2018 by AntC 8.6.1 FunctionalDependencies OverlappingInstances Pnormal Trac import bug 5
- 11
updated Mar 10, 2020
Functional dependencies can get GHC to print "UnkSkol"

#15355 · opened Jul 08, 2018 by Richard Eisenberg 8.6.1 FunctionalDependencies Pnormal Trac import bug 5
- CLOSED
- 2
updated Jul 07, 2019
FunDep origin not correctly attributed

#14778 · opened Feb 08, 2018 by Simon Peyton Jones FunctionalDependencies Pnormal Trac import bug 5
- 0
updated Jul 07, 2019
GHC 8.4.1-alpha regression with FunctionalDependencies

#14763 · opened Feb 05, 2018 by Ryan Scott 8.4.1 FunctionalDependencies Phighest Trac import bug typechecker 10
- CLOSED
- 5
updated Jul 07, 2019
Functional dependency conflicts in givens

#14745 · opened Jan 31, 2018 by Simon Peyton Jones FunctionalDependencies Pnormal Trac import bug 5
- 0
updated Jul 07, 2019
Type error in program caused by unrelated definition

#14327 · opened Oct 05, 2017 by Alexis King 8.4.1 FunctionalDependencies Pnormal Trac import bug error messages typechecker 5
- CLOSED
- 4
updated Jul 07, 2019
Spurious extra error message due to functional dependencies

#13506 · opened Mar 31, 2017 by gelisam FunctionalDependencies Pnormal Trac import bug error messages typechecker 5
- CLOSED
- 2
updated Jul 07, 2019
GeneralizedNewtypeDeriving + MultiParamTypeClasses sends typechecker into an infinite loop

#12860 · opened Nov 21, 2016 by Ryan Scott FunctionalDependencies Pnormal Trac import bug compiler perf deriving typechecker 5
- 21
updated Aug 01, 2019
Incorrect behavior with empty functional dependencies

#12763 · opened Oct 24, 2016 by Iavor S. Diatchki 8.0.2 FunctionalDependencies Pnormal Trac import bug typechecker 5
- CLOSED
- 2
updated Jul 07, 2019
Check if constraint synonym satisfies functional dependencies

#12704 · opened Oct 14, 2016 by Edward Z. Yang FunctionalDependencies Plow Trac import bug typechecker 3
- 1
updated Jul 07, 2019