:: (bullet -> IO picture) -> [bullet] -> IO [picture] package:base-prelude

traverse :: (Traversable t, Applicative f) => (a -> f b) -> t a -> f (t b)
base-prelude BasePrelude
Map each element of a structure to an action, evaluate these actions from left to right, and collect the results. For a version that ignores the results see traverse_.
mapM :: (Traversable t, Monad m) => (a -> m b) -> t a -> m (t b)
base-prelude BasePrelude
Map each element of a structure to a monadic action, evaluate these actions from left to right, and collect the results. For a version that ignores the results see mapM_.