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Derive Eq & Ord instances for TypeError.

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This commit is contained in:
Rob Rix 2018-05-11 11:01:20 -04:00
parent ae6bff8f8d
commit 41579c243a
1 changed files with 2 additions and 0 deletions
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src/Data/Abstract/Type.hs
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@ -61,6 +61,8 @@ zeroOrMoreProduct = maybe Unit oneOrMoreProduct . nonEmpty
data TypeError resume where
UnificationError :: Type -> Type -> TypeError Type
deriving instance Eq (TypeError resume)
deriving instance Ord (TypeError resume)
deriving instance Show (TypeError resume)
instance Show1 TypeError where