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diff src/elab_util.sml @ 42:b3fbbc6cb1e5

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Elaborating 'where'
author Adam Chlipala <adamc@hcoop.net>
date Thu, 19 Jun 2008 16:35:40 -0400
parents 1405d8c26790
children abb2b32c19fb
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line diff
--- a/src/elab_util.sml	Thu Jun 19 16:04:28 2008 -0400
+++ b/src/elab_util.sml	Thu Jun 19 16:35:40 2008 -0400
@@ -370,6 +370,12 @@
                             S.map2 (sg (bind (ctx, Str (m, s1'))) s2,
                                     fn s2' =>
                                        (SgnFun (m, n, s1', s2'), loc)))
+              | SgnWhere (sgn, x, c) =>
+                S.bind2 (sg ctx sgn,
+                      fn sgn' =>
+                         S.map2 (con ctx c,
+                              fn c' =>
+                                 (SgnWhere (sgn', x, c'), loc)))
               | SgnError => S.return2 sAll
     in
         sg