From 744cdbb9e3907db9bb01576750634c614147e1a3 Mon Sep 17 00:00:00 2001
From: Adam Chlipala <adamc@hcoop.net>
Date: Sun, 3 Aug 2008 19:49:21 -0400
Subject: Datatype representation optimization

---
 src/elab.sml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/elab.sml')

diff --git a/src/elab.sml b/src/elab.sml
index fb67556b..2bf64f5a 100644
--- a/src/elab.sml
+++ b/src/elab.sml
@@ -71,6 +71,10 @@ datatype con' =
 
 withtype con = con' located
 
+datatype datatype_kind =
+         Enum
+       | Default
+
 datatype patCon =
          PConVar of int
        | PConProj of int * string list * string
@@ -79,7 +83,7 @@ datatype pat' =
          PWild
        | PVar of string * con
        | PPrim of Prim.t
-       | PCon of patCon * pat option
+       | PCon of datatype_kind * patCon * pat option
        | PRecord of (string * pat * con) list
 
 withtype pat = pat' located
-- 
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