diff lab3/check.mli @ 0:bfdcc3820b32

Basis
author Mike Spivey <mike@cs.ox.ac.uk>
date Thu, 05 Oct 2017 08:04:15 +0100
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lab3/check.mli	Thu Oct 05 08:04:15 2017 +0100
@@ -0,0 +1,10 @@
+(* lab3/check.mli *)
+(* Copyright (c) 2017 J. M. Spivey *)
+
+open Tree
+
+(* |annotate| -- check tree for type errors and annotate with definitions *)
+val annotate : program -> unit
+
+(* |Semantic_error| -- exception raised if error detected *)
+exception Semantic_error of string * Print.arg list * int