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irrefutable pattern

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Willem Van Onsem 2021-06-10 23:15:48 +02:00
parent ed04989938
commit 81b6151d51
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1 changed files with 1 additions and 1 deletions
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src/Graphics/Vty/Attributes.hs
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@ -154,7 +154,7 @@ instance (NFData v) => NFData (MaybeDefault v) where
instance Eq v => Semigroup (MaybeDefault v) where
_ <> v@(SetTo _) = v
x <> KeepCurrent = x
_ <> Default = Default
_ <> ~Default = Default
instance Eq v => Monoid ( MaybeDefault v ) where
mempty = KeepCurrent