- BlackBox:
    name: GHC.Internal.Err.error
    kind: Expression
    type: 'error :: forall r a . HasCallStack => [Char] -> a'
    template: ~ERRORO
    workInfo: Constant
- BlackBox:
    name: GHC.Internal.Err.errorWithoutStackTrace
    kind: Expression
    type: 'errorWithoutStackTrace :: forall r a . [Char] -> a'
    template: ~ERRORO
    workInfo: Constant
- BlackBox:
    name: GHC.Internal.Err.undefined
    kind: Expression
    type: 'undefined :: forall r a . HasCallStack => a'
    template: ~ERRORO
    workInfo: Constant