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diff src/elab_print.sml @ 1302:d008c4c43a0a

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Flex kinds for type-level tuples; ::_ notation
author Adam Chlipala <adam@chlipala.net>
date Sun, 10 Oct 2010 13:07:38 -0400
parents b4480a56cab7
children c7b9a33c26c8
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line diff
--- a/src/elab_print.sml	Thu Sep 30 18:29:59 2010 -0400
+++ b/src/elab_print.sml	Sun Oct 10 13:07:38 2010 -0400
@@ -56,6 +56,16 @@
       | KError => string "<ERROR>"
       | KUnif (_, _, ref (SOME k)) => p_kind' par env k
       | KUnif (_, s, _) => string ("<UNIF:" ^ s ^ ">")
+      | KTupleUnif (_, _, ref (SOME k)) => p_kind' par env k
+      | KTupleUnif (_, nks, _) => box [string "(",
+                                       p_list_sep (box [space, string "*", space])
+                                                  (fn (n, k) => box [string (Int.toString n ^ ":"),
+                                                                     space,
+                                                                     p_kind env k]) nks,
+                                       space,
+                                       string "*",
+                                       space,
+                                       string "...)"]
 
       | KRel n => ((if !debug then
                          string (E.lookupKRel env n ^ "_" ^ Int.toString n)