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sum_ result type may not be the same as the parameters type.

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João Cristóvão 2013-09-11 10:48:12 +01:00
parent 84f2f086fe
commit 161621cbd4
1 changed files with 1 additions and 1 deletions
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src/Database/Esqueleto/Internal/Language.hs
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@ -241,7 +241,7 @@ class (Functor query, Applicative query, Monad query) =>
ceiling_ :: (PersistField a, PersistField b) => expr (Value a) -> expr (Value b) ceiling_ :: (PersistField a, PersistField b) => expr (Value a) -> expr (Value b)
floor_ :: (PersistField a, PersistField b) => expr (Value a) -> expr (Value b) floor_ :: (PersistField a, PersistField b) => expr (Value a) -> expr (Value b)
sum_ :: (PersistField a) => expr (Value a) -> expr (Value (Maybe a)) sum_ :: (PersistField a, PersistField b) => expr (Value a) -> expr (Value (Maybe b))
min_ :: (PersistField a) => expr (Value a) -> expr (Value (Maybe a)) min_ :: (PersistField a) => expr (Value a) -> expr (Value (Maybe a))
max_ :: (PersistField a) => expr (Value a) -> expr (Value (Maybe a)) max_ :: (PersistField a) => expr (Value a) -> expr (Value (Maybe a))
avg_ :: (PersistField a, PersistField b) => expr (Value a) -> expr (Value (Maybe b)) avg_ :: (PersistField a, PersistField b) => expr (Value a) -> expr (Value (Maybe b))