X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=blobdiff_plain;f=assignment_3_evaluator.mdwn;h=28693f436d9360d5603354a48ecf498e32633e8f;hp=c910064a790698d67cc27a0dd807b3acca70f3a3;hb=4cea4f69242f3a229292186c8fa652942f31f8b8;hpb=2950fbdc81547d95aa8fda13cc3e042ca264e0e6

diff --git a/assignment_3_evaluator.mdwn b/assignment_3_evaluator.mdwn
index c910064a..28693f43 100644
--- a/assignment_3_evaluator.mdwn
+++ b/assignment_3_evaluator.mdwn
@@ -5,6 +5,8 @@ Here are the definitions pre-loaded for working on assignment 3:
 let true = \x y. x in
 let false = \x y. y in
 let and = \l r. l (r true false) false in
+let or = \l r. l true r in
+;
 let make\_pair = \f s g. g f s in
 let get\_fst = true in
 let get\_snd = false in
@@ -40,6 +42,23 @@ let makeList = make\_list in
 let isZero = iszero in
 let mult = mul in
 ;
+let t1 = (make_list 1 empty) in
+let t2 = (make_list 2 empty) in
+let t3 = (make_list 3 empty) in
+let t12 = (make_list t1 (make_list t2 empty)) in
+let t23 = (make_list t2 (make_list t3 empty)) in
+let ta = (make_list t1 t23) in
+let tb = (make_list t12 t3) in
+let tc = (make_list t1 (make_list t23 empty)) in
+;
+;sum-leaves t1 ~~> 1
+;sum-leaves t2 ~~> 2
+;sum-leaves t3 ~~> 3
+;sum-leaves t12 ~~> 3
+;sum-leaves t23 ~~> 5
+;sum-leaves ta ~~> 6
+;sum-leaves tb ~~> 6
+;
 length (tail mylist)
 </textarea>