hindley-milner-0.1.0.0: src/Language/HM/TypeError.hs

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-- | This module contains types for structured type errors.
module Language.HM.TypeError where

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import Language.HM.Type

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-- | Type errors.
data TypeError
    = OccursErr String Tau
    | UnifyErr Tau Tau
    | NotInScopeErr String
    deriving (Eq, Show)

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