From: Michael Andreen <harv@ruin.nu>
Date: Sat, 11 Mar 2006 20:23:18 +0000 (+0000)
Subject: foldr and zip instead of my own function
X-Git-Url: https://ruin.nu/git/?p=proglang.git;a=commitdiff_plain;h=8687a7c6790e959242228d64c8c513771565f8c1

foldr and zip instead of my own function
---

diff --git a/Interpret.hs b/Interpret.hs
index 1938e55..0e39285 100644
--- a/Interpret.hs
+++ b/Interpret.hs
@@ -52,21 +52,13 @@ eval (EFunc i as) = do
 	vs <- mapM eval as
 	state <- get
 	(ds,ss) <- lookup i $ functions state
-	modify (\s -> s{variables=[empty]})
-	addParams vs ds
+	let m = foldr (\((Decl t i),v) m -> insert i v m) empty $ zip ds vs
+		in modify (\s -> s{variables=[m]})
 	mapM_ execute ss `catchError` (\_ -> return ())
-	put state
 	v <- lift $ takeMVar $ ret state
+	put state
 	return v
 
-addParams :: [Value] -> [Decl] -> StateT State IO () 
-addParams [] [] = return ()
-addParams (v:vs) ((Decl t i):ds) = do
-	state <- get
-	let (m:ms) = variables state in modify (\s -> s{variables=insert i v m:ms })
-	addParams vs ds
-
-
 getWord :: IO String
 getWord =  do
 	c <- getChar