X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=blobdiff_plain;f=code%2Funtyped_evaluator_complete.ml;h=f918d3a4c64a83d1ee0ac81b1344f9acf4aeaed3;hp=138f51c8a2442c27d936dd3dac4436d525999f6b;hb=44f72e6eda8faaa6d9d352c57fab8cff10676618;hpb=4a1de61dc29b7a6dfa537f7917d9491a791422b3

diff --git a/code/untyped_evaluator_complete.ml b/code/untyped_evaluator_complete.ml
index 138f51c8..f918d3a4 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 http://lambda.jimpryor.net/code/untyped_full-1.6.tgz
+   This is a simplified version of the code at http://lambda.jimpryor.net/code/untyped_full-1.7.tgz
    You can use this code as follows:
 
    1. First, use a text editor to fill in the (* COMPLETE THIS *) portions.
@@ -61,7 +61,7 @@ and env = (identifier * term) list
 (* Operations for environments *)
 let empty = []
 let shift (ident : identifier) binding env = (ident,binding) :: env
-let rec lookup (sought_ident : ident) (env : env) : term option =
+let rec lookup (sought_ident : identifier) (env : env) : term option =
   match env with
   | [] -> None
   | (ident, binding) :: _ when ident = sought_ident -> Some binding