last package:rio

last :: ByteString -> Word8
rio RIO.ByteString.Lazy.Partial
O(n/c) Extract the last element of a ByteString, which must be finite and non-empty.
last :: ByteString -> Word8
rio RIO.ByteString.Partial
O(1) Extract the last element of a ByteString, which must be finite and non-empty. An exception will be thrown in the case of an empty ByteString.
last :: [a] -> a
rio RIO.List.Partial
Extract the last element of a list, which must be finite and non-empty.
last :: NonEmpty a -> a
rio RIO.NonEmpty
Extract the last element of the stream.
last :: Text -> Char
rio RIO.Text.Lazy.Partial
O(n/c) Returns the last character of a Text, which must be non-empty. Subject to fusion.
last :: Text -> Char
rio RIO.Text.Partial
O(1) Returns the last character of a Text, which must be non-empty. Subject to fusion.
last :: Vector a -> a
rio RIO.Vector.Boxed.Partial
O(1) Last element
last :: Vector v a => v a -> a
rio RIO.Vector.Partial
O(1) Last element
last :: Storable a => Vector a -> a
rio RIO.Vector.Storable.Partial
O(1) Last element
last :: Unbox a => Vector a -> a
rio RIO.Vector.Unboxed.Partial
O(1) Last element
lastMaybe :: [a] -> Maybe a
rio RIO.List
lastM :: Monad m => Vector a -> m a
rio RIO.Vector.Boxed.Partial
O(1) Last element of a vector in a monad. See indexM for an explanation of why this is useful.
lastM :: (Vector v a, Monad m) => v a -> m a
rio RIO.Vector.Partial
O(1) Last element of a vector in a monad. See indexM for an explanation of why this is useful.
lastM :: (Storable a, Monad m) => Vector a -> m a
rio RIO.Vector.Storable.Partial
O(1) Last element of a vector in a monad. See indexM for an explanation of why this is useful.
lastM :: (Unbox a, Monad m) => Vector a -> m a
rio RIO.Vector.Unboxed.Partial
O(1) Last element of a vector in a monad. See indexM for an explanation of why this is useful.
_last :: Snoc s s a a => Traversal' s a
rio RIO.Lens
_last gives you access to the last element of the list: 
>>> "Hello." ^? _last
'.'
See documentation for _head, as _last and _head are pretty similar.
unsafeLast :: Vector a -> a
rio RIO.Vector.Boxed.Unsafe
O(1) Last element without checking if the vector is empty
unsafeLastM :: Monad m => Vector a -> m a
rio RIO.Vector.Boxed.Unsafe
O(1) Last element in a monad without checking for empty vectors. See indexM for an explanation of why this is useful.
unsafeLast :: Storable a => Vector a -> a
rio RIO.Vector.Storable.Unsafe
O(1) Last element without checking if the vector is empty
unsafeLastM :: (Storable a, Monad m) => Vector a -> m a
rio RIO.Vector.Storable.Unsafe
O(1) Last element in a monad without checking for empty vectors. See indexM for an explanation of why this is useful.
unsafeLast :: Unbox a => Vector a -> a
rio RIO.Vector.Unboxed.Unsafe
O(1) Last element without checking if the vector is empty
unsafeLastM :: (Unbox a, Monad m) => Vector a -> m a
rio RIO.Vector.Unboxed.Unsafe
O(1) Last element in a monad without checking for empty vectors. See indexM for an explanation of why this is useful.
unsafeLast :: Vector v a => v a -> a
rio RIO.Vector.Unsafe
O(1) Last element without checking if the vector is empty
unsafeLastM :: (Vector v a, Monad m) => v a -> m a
rio RIO.Vector.Unsafe
O(1) Last element in a monad without checking for empty vectors. See indexM for an explanation of why this is useful.