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 97790e15da..0f4263268b 100644 --- a/compiler/GHC/Data/Bag.hs +++ b/compiler/GHC/Data/Bag.hs @@ -337,6 +337,10 @@ instance Foldable.Foldable Bag where go z (ListBag xs) = foldl' k z xs {-# INLINEABLE foldl' #-} + 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 |