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  • Glasgow Haskell Compiler
  • GHCGHC
  • Issues

  • Open 274
  • Closed 426
  • All 700
New issue
  • Priority Created date Last updated Milestone due date Due date Popularity Label priority Manual Title Weight Blocking
  • Qualified names in type signatures
    #21605 · created May 20, 2022 by Vladislav Zavialov   DependentHaskell Pnormal Tfeature request error messages typechecker
    • 6
    updated May 24, 2022
  • Unrecognised pragma warning could offer suggestions
    #21589 · created May 18, 2022 by Adam Gundry   Plow Tfeature request error messages newcomer
    • 1
    • 0
    updated May 19, 2022
  • The hint to add missing context to the type signature is not produced by GHC when using non-trivial constraint
    #21502 · created May 04, 2022 by Sergey Vinokurov   Pnormal Ttask error messages typechecker
    • 4
    updated May 06, 2022
  • chr throws unhelpful error messages
    #21468 · created May 01, 2022 by Bodigrim   Tbug core libraries documentation error messages
    • 12
    updated May 15, 2022
  • Confusing GADTSyntax newtype error with invisible kinds
    #21447 · created Apr 28, 2022 by sheaf   9.6.1   GADTs Pnormal Tbug diagnostic quality error messages newcomer typechecker
    • 1
    updated May 03, 2022
  • Ambiguous record update error message text
    #21444 · created Apr 27, 2022 by Richard Eisenberg   Pnormal Ttask error messages records
    • 1
    updated Apr 30, 2022
  • Explain why a type is defaulted
    #21434 · created Apr 26, 2022 by Richard Eisenberg   Pnormal Tfeature request error messages
    • 2
    • 2
    updated May 04, 2022
  • checkMissingFields could use wc_errors
    #21413 · created Apr 21, 2022 by sheaf   Plow Ttask error messages records typechecker
    • 1
    updated Apr 21, 2022
  • Suggest to use the where keyword for a typeclass instance when it's missing
    #21393 · created Apr 14, 2022 by Syed Akber Jafri   Tfeature request error messages newcomer parser
    • 1
    • 4
    updated May 18, 2022
  • Add origins to meta-variables
    #21330 · created Apr 01, 2022 by sheaf   9.6.1   Pnormal Ttask error messages typechecker
    • 1
    updated Apr 07, 2022
  • -XArrows confusing error about variable not in scope
    #21298 · created Mar 26, 2022 by Jakob Brünker   Arrows Pnormal Tbug error messages
    • 2
    updated Mar 29, 2022
  • Can't unify `k -> Type` with visible dependent quantification that ignores its quantifiee `forall (x :: k) -> Type`
    #21272 · created Mar 21, 2022 by Icelandjack   Pnormal Tbug documentation error messages visible dependent quantification
    • 5
    updated Apr 02, 2022
  • -Wunused-local-binds doesn't work for expressions in GHCi
    #21252 · created Mar 17, 2022 by Ryan Scott   GHCi Plow Tbug error messages newcomer
    • 2
    updated Mar 22, 2022
  • Proposal: don't print constraints in parens
    #21167 · created Mar 04, 2022 by Krzysztof Gogolewski   Pnormal Ttask diagnostic quality error messages pretty printing
    • 3
    • 4
    updated Mar 08, 2022
  • Insoluble constraints arising from an ambiguity check are reported poorly
    #21151 · created Feb 28, 2022 by sheaf   9.4.1   Pnormal Tbug ambiguity check custom type errors diagnostic quality error messages
    • 4
    updated Mar 01, 2022
  • -Wunused-packages doesn't display for which component the warning is raised
    #21106 · created Feb 20, 2022 by Hécate Moonlight   Pnormal Tbug error messages upstream
    • 10
    updated Feb 24, 2022
  • Error message text for invalid record wildcard match
    #21101 · created Feb 18, 2022 by Richard Eisenberg   Pnormal Ttask error messages newcomer renamer
    • 1
    updated Feb 22, 2022
  • New wording for error message around associated type families
    #21100 · created Feb 18, 2022 by Richard Eisenberg   Plow Ttask error messages newcomer typechecker
    • 4
    • 0
    updated Feb 22, 2022
  • Redudant hs-boot file checks are not very good
    #21094 · created Feb 17, 2022 by Matthew Pickering   Pnormal Tbug error messages hs-boot
    • 5
    updated Mar 01, 2022
  • Better error messages for Num Literals
    #21086 · created Feb 15, 2022 by Vance Palacio   Tfeature request error messages newcomer
    • 1
    • 6
    updated Feb 25, 2022
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