X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=blobdiff_plain;f=advanced_topics%2Fcalculator_improvements.mdwn;fp=advanced_topics%2Fcalculator_improvements.mdwn;h=280604f4677ced7e9a1af39e93ac336f1013c4c2;hp=3e51c95b992d90170d8a87044b860312fc382fd1;hb=38f178b5967f0875383d87a92330ecd58979f83e;hpb=00ea8839bac58c3c1d53460dd34efc4722c8a6f2

diff --git a/advanced_topics/calculator_improvements.mdwn b/advanced_topics/calculator_improvements.mdwn
index 3e51c95b..280604f4 100644
--- a/advanced_topics/calculator_improvements.mdwn
+++ b/advanced_topics/calculator_improvements.mdwn
@@ -369,7 +369,7 @@ Our evaluation function will now expect a `store` argument as well as an `assign
 	let rec eval (t : term) (g : assignment) (s : store) = match t with
 	  Intconstant x -> (Int x, s)
 	  ...
-	| Variable (var) -> (
+	| Variable (var) -> ((
 		(* we don't handle cases where g doesn't bind var to any value *)
 		match List.assoc var g with
           | Nonrecursive value -> value
@@ -377,7 +377,7 @@ Our evaluation function will now expect a `store` argument as well as an `assign
 			  (* we update savedg to bind self_var to rec_closure here *)
               let savedg' = (self_var, rec_closure) :: savedg
               in Closure (arg_var, body, savedg')
-        ), s
+        ), s)
 	  ...
 	| Lambda (arg_var, t2) -> (Closure (arg_var, t2, g), s)
 	  ...