X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=blobdiff_plain;f=exercises%2Fassignment5.mdwn;h=5dd1cbb24a6f8982e29b464a4d6a262d7b6675ae;hp=a74da85a2c47e57768ffe4faced717c96d5e4c8e;hb=442a8534983a824eec968ce2bb113fe60e0b1007;hpb=468036317006acf37364a35e27ad0c0af586dd5d;ds=sidebyside diff --git a/exercises/assignment5.mdwn b/exercises/assignment5.mdwn index a74da85a..5dd1cbb2 100644 --- a/exercises/assignment5.mdwn +++ b/exercises/assignment5.mdwn @@ -252,6 +252,8 @@ 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