From: jim Date: Mon, 23 Mar 2015 19:33:53 +0000 (-0400) Subject: add #occurs_free X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=commitdiff_plain;h=4e747b63cdc33acc9acc95866ed2aa451524a90c;ds=inline add #occurs_free --- diff --git a/exercises/assignment5_answers.mdwn b/exercises/assignment5_answers.mdwn index 9618cd3c..0005ec6e 100644 --- a/exercises/assignment5_answers.mdwn +++ b/exercises/assignment5_answers.mdwn @@ -436,6 +436,7 @@ Again, we've left some gaps. (The use of `type` for the first line in Haskell an type lambda_term = Var of identifier | Abstract of identifier * lambda_term | App of lambda_term * lambda_term + 16. Write a function `occurs_free` that has the following type: occurs_free : identifier -> lambda_term -> bool