From: Chris Barker Date: Mon, 1 Nov 2010 19:25:40 +0000 (-0400) Subject: Added assignmemnt 6 X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=commitdiff_plain;h=1ba0ea60877efb8825488d5b3cde52543f179839 Added assignmemnt 6 --- diff --git a/assignment6.mdwn b/assignment6.mdwn index 62d1c5c5..8c62e73d 100644 --- a/assignment6.mdwn +++ b/assignment6.mdwn @@ -2,10 +2,11 @@ build a system that will evaluate arithmetic expressions. Instead of returning a simple integer as a result, it will deliver the correct answer along with a count of the number of operations performed during -the calculuation. That is, the desired behavior should be like this: +the calculation. That is, the desired behavior should be like this: - # lift ( + ) (lift ( / ) (unit 20) (unit 2)) (lift ( * ) (unit 2) (unit 3)) 0;; - - : int * int = (16, 3) + # lift ( + ) (lift ( / ) (unit 20) (unit 2)) + (lift ( * ) (unit 2) (unit 3)) 0;; + - : int * int = (16, 3) Here, `lift` is the function that uses `bind` to prepare an ordinary arithmetic operator (such as addition `( + )`, division `( / )`, or