X-Git-Url: http://git.tomasm.cz/fp.git/blobdiff_plain/891001c31cd71632b828e79248e82f6fcda5dc3f..HEAD:/src/Lambda/Parser/Fancy.hs?ds=inline

diff --git a/src/Lambda/Parser/Fancy.hs b/src/Lambda/Parser/Fancy.hs
index 79c1ca9..f7a523d 100644
--- a/src/Lambda/Parser/Fancy.hs
+++ b/src/Lambda/Parser/Fancy.hs
@@ -14,10 +14,15 @@
 -- TODO: proper documentation
 
 module Lambda.Parser.Fancy 
-  ( tRead
+  (
+  -- * Main parser
+    tRead
   , parseTerm
+  -- * Auxiliary parsers
+  , parseVar
   )  where
 
+import Data.Char (isAsciiLower)
 import Data.Text as T hiding (map)
 import Data.Attoparsec.Text
 import Control.Applicative
@@ -52,12 +57,12 @@ tRead s = case parseOnly (parseTerm <* endOfInput) (T.pack s) of
 
 parseVar :: Parser Term
 parseVar = do
-  x <- many1 (letter <|> digit)
+  x <- many1 letter
   return $! Var x
 
 parseLambda :: Parser Term
 parseLambda = do
-  char '\\' <|> char 'λ'
+  char '\\' <|> char 'λ' <|> char 'L'
   vars <- sepBy1 parseVar (char ' ')
   char '.'
   t <- parseTerm