Use do block again

[my-scheme.git] / app / Main.hs

diff --git a/app/Main.hs b/app/Main.hs
index 58017c55305aa90095ba786e78ed009df4209040..67ec8ddde92590ba20d677d2f92b7d59128fd58e 100644 (file)
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -34,7 +34,9 @@ parseAtom = do
                 _    -> Atom atom
 
 parseNumber :: Parser LispVal
-parseNumber = liftM (Number . read) $ many1 digit
+parseNumber = do ds <- many1 digit
+                 let a = read ds
+                 return $ Number a
 
 parseExpr :: Parser LispVal
 parseExpr = parseString