From: Samir Benmendil <me@rmz.io>
Date: Sat, 20 Jan 2018 22:22:42 +0000 (+0000)
Subject: Using where for parsing inner characters
X-Git-Url: https://git.rmz.io/my-scheme.git/commitdiff_plain/0a6833657330f8514c235e672b1d4dc6e1ec7ad5?ds=sidebyside

Using where for parsing inner characters

This should make it somewhat easier to add more parsers and support
'\"', '\n', etc
---

diff --git a/app/Main.hs b/app/Main.hs
index 233fa6c..cea4c9b 100644
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -18,11 +18,11 @@ spaces :: Parser ()
 spaces = skipMany space
 
 parseString :: Parser LispVal
-parseString = do
-    char '"'
-    x <- many (noneOf "\"")
-    char '"'
-    return $ String x
+parseString = do char '"'
+                 x <- many innerChar
+                 char '"'
+                 return $ String x
+              where innerChar = noneOf "\""
 
 parseAtom :: Parser LispVal
 parseAtom = do