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Add Ord1 instances for Binding, NExprF, and NKeyName #715

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Sep 13, 2020
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Add Ord1 instances for Binding, NExprF, and NKeyName #715

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9 changes: 9 additions & 0 deletions src/Nix/Expr/Types.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -387,6 +387,13 @@ instance Eq1 NKeyName where
liftEq _ (StaticKey a) (StaticKey b) = a == b
liftEq _ _ _ = False

-- | @since UNRELEASED
instance Ord1 NKeyName where
liftCompare cmp (DynamicKey a) (DynamicKey b) = liftCompare2 (liftCompare cmp) cmp a b
liftCompare _ (DynamicKey _) (StaticKey _) = LT
liftCompare _ (StaticKey _) (DynamicKey _) = GT
liftCompare _ (StaticKey a) (StaticKey b) = compare a b

instance Hashable1 NKeyName where
liftHashWithSalt h salt (DynamicKey a) =
liftHashWithSalt2 (liftHashWithSalt h) h (salt `hashWithSalt` (0 :: Int)) a
Expand Down Expand Up @@ -491,7 +498,9 @@ $(deriveEq1 ''Params)
$(deriveEq1 ''Antiquoted)
$(deriveEq2 ''Antiquoted)

$(deriveOrd1 ''NExprF)
$(deriveOrd1 ''NString)
$(deriveOrd1 ''Binding)
$(deriveOrd1 ''Params)
$(deriveOrd1 ''Antiquoted)
$(deriveOrd2 ''Antiquoted)
Expand Down