Safe Haskell | Safe-Inferred |
---|---|
Language | Haskell2010 |
NonEmpty
list partial functions. Import as:
import qualified RIO.NonEmpty.Partial as NE'
Indexing streams
(!!) :: NonEmpty a -> Int -> a infixl 9 #
xs !! n
returns the element of the stream xs
at index
n
. Note that the head of the stream has index 0.
Beware: a negative or out-of-bounds index will cause an error.