Mercurial > urweb
diff src/mono_util.sml @ 290:df00701f2323
'read' type class
author | Adam Chlipala <adamc@hcoop.net> |
---|---|
date | Sun, 07 Sep 2008 11:53:30 -0400 |
parents | 4260ad920c36 |
children | 59dc042629b9 |
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--- a/src/mono_util.sml Sun Sep 07 11:41:04 2008 -0400 +++ b/src/mono_util.sml Sun Sep 07 11:53:30 2008 -0400 @@ -145,6 +145,12 @@ S.map2 (mfe ctx e, fn e' => (ECon (dk, n, SOME e'), loc)) + | ESome (t, e) => + S.bind2 (mft t, + fn t' => + S.map2 (mfe ctx e, + fn e' => + (ESome (t', e'), loc))) | EFfi _ => S.return2 eAll | EFfiApp (m, x, es) => S.map2 (ListUtil.mapfold (fn e => mfe ctx e) es,