diff options
| -rw-r--r-- | compiler/GHC/Data/Bag.hs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler/GHC/Data/Bag.hs b/compiler/GHC/Data/Bag.hs index 392922ed85..b9ed65d281 100644 --- a/compiler/GHC/Data/Bag.hs +++ b/compiler/GHC/Data/Bag.hs @@ -334,6 +334,10 @@ instance Foldable.Foldable Bag where foldl' k z (TwoBags b1 b2) = let r1 = foldl' k z b1 in seq r1 $ foldl' k r1 b2 foldl' k z (ListBag xs) = foldl' k z xs + length = lengthBag + null = isEmptyBag + x `elem` bag = anyBag (==x) bag + instance Traversable Bag where traverse _ EmptyBag = pure EmptyBag traverse f (UnitBag x) = UnitBag <$> f x |