X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=blobdiff_plain;f=exercises%2Fassignment5.mdwn;h=dabc1a03e77d6a3068ed8b64c99c76d49d344110;hp=a74da85a2c47e57768ffe4faced717c96d5e4c8e;hb=878a43a26bd41b5d2b228b9ea8ce5dfd3095dcba;hpb=4e747b63cdc33acc9acc95866ed2aa451524a90c diff --git a/exercises/assignment5.mdwn b/exercises/assignment5.mdwn index a74da85a..dabc1a03 100644 --- a/exercises/assignment5.mdwn +++ b/exercises/assignment5.mdwn @@ -252,6 +252,7 @@ Again, we've left some gaps. (The use of `type` for the first line in Haskell an 15. Choose one of these languages and fill in the gaps to complete the definition. + 16. Write a function `occurs_free` that has the following type: occurs_free : identifier -> lambda_term -> bool