From: Jim Pryor <profjim@jimpryor.net>
Date: Thu, 2 Dec 2010 16:34:34 +0000 (-0500)
Subject: manip trees tweaks
X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=commitdiff_plain;h=23445a4f8be687dbd5be55eea7dcd7e6d2e7de05;ds=sidebyside

manip trees tweaks

Signed-off-by: Jim Pryor <profjim@jimpryor.net>
---

diff --git a/manipulating_trees_with_monads.mdwn b/manipulating_trees_with_monads.mdwn
index 315cb68a..ba990d10 100644
--- a/manipulating_trees_with_monads.mdwn
+++ b/manipulating_trees_with_monads.mdwn
@@ -498,10 +498,11 @@ Okay, now let's do the same thing for our Tree monad.
 
 	let rec bind (u : 'a tree) (f : 'a -> 'b tree) : 'b tree =
 	    match u with
-	    | Leaf a -> (fun b -> b) (f a) (* see below *)
+	    | Leaf a -> f a;;
 	    | Node (l, r) -> (fun l' r' -> Node (l', r')) (bind l f) (bind r f);;
 
 	(* monadic operations for the TreeT monadic transformer *)
+	(* NOTE THIS IS NOT YET WORKING --- STILL REFINING *)
 
 	type ('a, M) treeT =
 		'a tree M;;