name: ban-instance version: 0.1.0.0 synopsis: For when a type should never be an instance of a class description: <> . Banning an instance allows the programmer to actively declare that an instance should never be defined, and provide a reason why: . @ data Foo = -- ... -- Declare that Foo should never have a ToJSON instance $(banInstance [t|ToJSON Foo|] "why ToJSON Foo should never be defined") @ category: Haskell homepage: https://github.com/qfpl/ban-instance#readme bug-reports: https://github.com/qfpl/ban-instance/issues author: Jack Kelly, Alex Mason maintainer: jack.kelly@data61.csiro.au copyright: Copyright (C) 2017 Data61 license: BSD3 license-file: LICENSE build-type: Simple cabal-version: >= 1.10 tested-with: GHC == 8.0.2 || == 8.2.2 || == 8.4.4 || == 8.6.5 || == 8.8.1 extra-source-files: ChangeLog.md README.md source-repository head type: git location: https://github.com/qfpl/ban-instance library hs-source-dirs: src ghc-options: -Wall build-depends: base >= 4.7 && < 4.14 , template-haskell >= 2.11 && < 2.16 exposed-modules: Language.Haskell.Instance.Ban default-language: Haskell2010 test-suite ban-instance-test type: exitcode-stdio-1.0 main-is: Spec.hs hs-source-dirs: test ghc-options: -Wall -threaded -rtsopts -with-rtsopts=-N build-depends: base >= 4.7 && < 4.14 , ban-instance default-language: Haskell2010