X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=blobdiff_plain;f=code%2Funtyped_evaluator_complete.ml;h=138f51c8a2442c27d936dd3dac4436d525999f6b;hp=51efce9182a1a1fc3d14068e3306f457c0ab184a;hb=b1a9ae3f1c5cdf961f19e60fc352eb5dfea480b4;hpb=2d74db5c5df020c5f01f530aa110651bdaf6774f diff --git a/code/untyped_evaluator_complete.ml b/code/untyped_evaluator_complete.ml index 51efce91..138f51c8 100644 --- a/code/untyped_evaluator_complete.ml +++ b/code/untyped_evaluator_complete.ml @@ -1,5 +1,5 @@ (* - This is a simplified version of the code at ... + This is a simplified version of the code at http://lambda.jimpryor.net/code/untyped_full-1.6.tgz You can use this code as follows: 1. First, use a text editor to fill in the (* COMPLETE THIS *) portions. @@ -15,7 +15,7 @@ `reduce (App(Lambda("x",Var "x"),Lambda("y",Var "y")))` `evaluate (App(Lambda("x",Var "x"),Lambda("y",Var "y")))` - The two interpreters presented below are (VersionA) a substitute-and-replace + The two interpreters presented below are (VersionA) a substitute-and-repeat interpreter, and (VersionB) an environment-based interpreter. We discuss the differences between these in the course notes.