Add missing since annotation

src/Data/RRBVector/Internal.hs

@@ -653,18 +653,26 @@ deleteAt :: Int -> Vector a -> Vector a
 deleteAt i v = let (left, right) = splitAt (i + 1) v in take i left >< right
 
 -- | \(O(n)\). Find the first index from the left that satisfies the predicate.
+--
+-- @since 0.2.1.0
 findIndexL :: (a -> Bool) -> Vector a -> Maybe Int
 findIndexL f = ifoldr (\i x acc -> if f x then Just i else acc) Nothing
 
 -- | \(O(n)\). Find the first index from the right that satisfies the predicate.
+--
+-- @since 0.2.1.0
 findIndexR :: (a -> Bool) -> Vector a -> Maybe Int
 findIndexR f = ifoldl (\i acc x -> if f x then Just i else acc) Nothing
 
 -- | \(O(n)\). Find the indices that satisfy the predicate, starting from the left.
+--
+-- @since 0.2.1.0
 findIndicesL :: (a -> Bool) -> Vector a -> [Int]
 findIndicesL f = ifoldr (\i x acc -> if f x then i : acc else acc) []
 
 -- | \(O(n)\). Find the indices that satisfy the predicate, starting from the right.
+--
+-- @since 0.2.1.0
 findIndicesR :: (a -> Bool) -> Vector a -> [Int]
 findIndicesR f = ifoldl (\i acc x -> if f x then i : acc else acc) []