RosettaCodeData/Task/Nested-templated-data/Haskell/nested-templated-data-1.hs
2023-07-01 13:44:08 -04:00

7 lines
168 B
Haskell

{-# language DeriveTraversable #-}
data Template a = Val a | List [Template a]
deriving ( Show
, Functor
, Foldable
, Traversable )