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Define Scope-compatible Eq & Ord instances for Term.

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Rob Rix 2019-07-17 11:10:24 -04:00
parent 8ca7382ab9
commit 9d7b63c56e
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1 changed files with 12 additions and 0 deletions
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semantic-core/src/Data/Term.hs
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@ -10,6 +10,18 @@ data Term sig a
= Var a
| Term (sig (Term sig) a)
deriving instance ( Eq a
, RightModule sig
, forall g x . (Eq x, Monad g, forall y . Eq y => Eq (g y)) => Eq (sig g x)
)
=> Eq (Term sig a)
deriving instance ( Ord a
, RightModule sig
, forall g x . (Eq x, Monad g, forall y . Eq y => Eq (g y)) => Eq (sig g x)
, forall g x . (Ord x, Monad g, forall y . Eq y => Eq (g y)
, forall y . Ord y => Ord (g y)) => Ord (sig g x)
)
=> Ord (Term sig a)
deriving instance (Show a, forall g x . (Show x, forall y . Show y => Show (g y)) => Show (sig g x)) => Show (Term sig a)
deriving instance ( forall g . Foldable g => Foldable (sig g)) => Foldable (Term sig)