X-Git-Url: https://git.rmz.io/my-scheme.git/blobdiff_plain/b95d19b43830747d76eab4c01805ef531e897795..b388d53e751db6d925a39c06dc871c125799b8e5:/app/Main.hs

diff --git a/app/Main.hs b/app/Main.hs
index a94dc2c..c64fd18 100644
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -1,12 +1,22 @@
 module Main where
-import Text.ParserCombinators.Parsec
+import Text.ParserCombinators.Parsec hiding (spaces)
 import System.Environment
 
+data LispVal = Atom String
+             | List [LispVal]
+             | DottedList [LispVal] LispVal
+             | Number Integer
+             | String String
+             | Bool Bool
+
 symbol :: Parser Char
 symbol = oneOf "!#$%&|*+-/:<=>?@^_~"
 
+spaces :: Parser ()
+spaces = skipMany space
+
 readExpr :: String -> String
-readExpr input = case parse symbol "lisp" input of
+readExpr input = case parse (spaces >> symbol) "lisp" input of
     Left err -> "No match: " ++ show err
     Right val -> "Found value"