X-Git-Url: https://git.rmz.io/my-scheme.git/blobdiff_plain/0742b9f77a6fe617f929e21e143e35cd6e3d3ed6..429ac1845f1b93f54bca8511a4efbf8cbcbb9bf3:/app/Main.hs

diff --git a/app/Main.hs b/app/Main.hs
index 16e4939..8520891 100644
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -1,7 +1,19 @@
 module Main where
+import Text.ParserCombinators.Parsec hiding (spaces)
 import System.Environment
 
+symbol :: Parser Char
+symbol = oneOf "!#$%&|*+-/:<=>?@^_~"
+
+spaces :: Parser ()
+spaces = skipMany space
+
+readExpr :: String -> String
+readExpr input = case parse (spaces >> symbol) "lisp" input of
+    Left err -> "No match: " ++ show err
+    Right val -> "Found value"
+
 main :: IO ()
 main = do
-    args <- getArgs
-    putStrLn (show (read (args !! 0) + read (args !! 1)))
+    args <- getLine
+    putStrLn (readExpr args)