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  • Glasgow Haskell Compiler
  • GHCGHC
  • Issues

  • Open 26
  • Closed 15
  • All 41
New issue
  • Priority Created date Last updated Milestone due date Due date Popularity Label priority Manual Weight
  • Dubious FunDep behaviour, even for a 'textbook' example with non dodgy extensions
    #19126 · opened Dec 27, 2020 by Anthony Clayden   FunctionalDependencies OverlappingInstances UndecideableInstances bug needs triage
    • 2
    updated Dec 31, 2020
  • Functional dependencies (for classes or type familes alike) can not refine given equality constraints
    #19043 · opened Dec 09, 2020 by John Ericson   FunctionalDependencies feature request
    • 4
    updated Dec 14, 2020
  • Non-confluence in the solver
    #18851 · opened Oct 15, 2020 by Richard Eisenberg   FunctionalDependencies Pnormal UndecideableInstances bug constraint solver typechecker
    • 41
    updated Jan 04, 2021
  • Types with different forall placements don't unify with QL ImpredicativeTypes
    #18759 · opened Sep 28, 2020 by Andrzej Rybczak   FunctionalDependencies ImpredicativeTypes Pnormal bug program incorrectly rejected records
    • 53
    updated Dec 31, 2020
  • 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
    • 11
    updated Nov 13, 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   3   FunctionalDependencies Plow bug program incorrectly accepted
    • 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   5   FunctionalDependencies Pnormal Trac import bug
    • 8
    updated Jul 07, 2019
  • Undependable Dependencies
    #15632 · opened Sep 12, 2018 by AntC   8.6.1   5   FunctionalDependencies OverlappingInstances Pnormal Trac import bug
    • 11
    updated Oct 30, 2020
  • Functional dependencies can get GHC to print "UnkSkol"
    #15355 · opened Jul 08, 2018 by Richard Eisenberg   8.6.1   5   FunctionalDependencies Pnormal Trac import bug
    • CLOSED
    • 2
    updated Jul 07, 2019
  • QuantifiedConstraints ignore FunctionalDependencies
    #15351 · opened Jul 07, 2018 by aaronvargo   5   FunctionalDependencies Pnormal QuantifiedConstraints Trac import bug typechecker
    • 14
    updated Dec 03, 2020
  • FunDep origin not correctly attributed
    #14778 · opened Feb 08, 2018 by Simon Peyton Jones   5   FunctionalDependencies Pnormal Trac import bug
    • 0
    updated Jul 07, 2019
  • GHC 8.4.1-alpha regression with FunctionalDependencies
    #14763 · opened Feb 05, 2018 by Ryan Scott   8.4.1   10   FunctionalDependencies Phighest Trac import bug typechecker
    • CLOSED
    • 5
    updated Jul 07, 2019
  • Functional dependency conflicts in givens
    #14745 · opened Jan 31, 2018 by Simon Peyton Jones   5   FunctionalDependencies Pnormal Trac import bug
    • 0
    updated Jul 07, 2019
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