Tree from nesting levels: Difference between revisions

Content added Content deleted
m (→‎{{header|Haskell}}: return -> pure)
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( unlines
( unlines
. ( (:) <$> show
. ( (:) <$> show
<*> (return . display . levelIntegerForest)
<*> (pure . display . levelIntegerForest)
)
)
)
)