S-expressions: Difference between revisions
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→{{header|Haskell}}
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import Data.List.Split (splitOn)
import Data.Maybe (catMaybes, fromMaybe, listToMaybe)
import Data.Tree (Forest, Tree (..), drawForest
------------------------ DATA TYPE -----------------------
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(parseExpr rest)
parseToken (v, ")" : rest) = (v, rest)
parseToken (v, t : rest) = (v <> List [atom t], rest)
----------------------- TOKEN PARSER ---------------------
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