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Revert "🔥 a redundant constraint."

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This reverts commit b9da8f8c1cf6c7d8db51b56e724cfebb3587ac24.
This commit is contained in:
Rob Rix 2016-08-05 09:49:04 -04:00
parent d1d0f41939
commit a2e6a7c0cb
1 changed files with 1 additions and 1 deletions
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src/Data/Record.hs
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@ -34,7 +34,7 @@ updateField record a = case record of
RNil -> RNil
cons@(RCons _ _) -> updateRCons cons a
updateRCons :: forall h t field. Typeable field => Record (h ': t) -> field -> Record (h ': t)
updateRCons :: forall h t field. (Typeable h, Typeable field) => Record (h ': t) -> field -> Record (h ': t)
updateRCons (RCons h t) a = case eqT :: Maybe (h :~: field) of
Just Refl -> RCons a t
Nothing -> RCons h (updateField t a)