[Haskell-cafe] a novice Alex question

-- The token type: data Token = Let | In| Sym Char | Var String | Int Int deriving (Eq,Show) } -- Xiong, Yingfei (熊英飞) Ph.D. Student Institute of Software School of Electronics Engineering and Computer Science Peking University Beijing, 100871, PRC. Web: http

[Haskell-cafe] question on traversing syntax tree

the syntax tree and only stop on the Term data type. Can anyone tell me something about it? Thanks a lot. -- Xiong, Yingfei (熊英飞) Ph.D. Student Institute of Software School of Electronics Engineering and Computer Science Peking University Beijing, 100871, PRC. Web: http