Mercurial > urweb
diff src/elab_util.sml @ 12:d89477f07c1e
Fun with records
author | Adam Chlipala <adamc@hcoop.net> |
---|---|
date | Fri, 28 Mar 2008 17:34:57 -0400 |
parents | e97c6d335869 |
children | 6049e2193bf2 |
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--- a/src/elab_util.sml Fri Mar 28 15:20:46 2008 -0400 +++ b/src/elab_util.sml Fri Mar 28 17:34:57 2008 -0400 @@ -233,6 +233,27 @@ fn e' => (ECAbs (expl, x, k', e'), loc))) + | ERecord xes => + S.map2 (ListUtil.mapfold (fn (x, e) => + S.bind2 (mfc ctx x, + fn x' => + S.map2 (mfe ctx e, + fn e' => + (x', e')))) + xes, + fn xes' => + (ERecord xes', loc)) + | EField (e, c, {field, rest}) => + S.bind2 (mfe ctx e, + fn e' => + S.bind2 (mfc ctx c, + fn c' => + S.bind2 (mfc ctx field, + fn field' => + S.map2 (mfc ctx rest, + fn rest' => + (EField (e', c', {field = field', rest = rest'}), loc))))) + | EError => S.return2 eAll in mfe