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author | Adam Chlipala <adamc@hcoop.net> | 2008-03-28 17:34:57 -0400 |
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committer | Adam Chlipala <adamc@hcoop.net> | 2008-03-28 17:34:57 -0400 |
commit | e9b1040a1f27a07afc7b2bf33522b1058163bf2b (patch) | |
tree | 07693c3eaedb3b11fb52fdfa8bcf8cc7c8aaecf8 /src/elab_util.sml | |
parent | a6d534b172ccb8eadc24e0e903b196085869800e (diff) |
Fun with records
Diffstat (limited to 'src/elab_util.sml')
-rw-r--r-- | src/elab_util.sml | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/elab_util.sml b/src/elab_util.sml index 2550f638..56be1328 100644 --- a/src/elab_util.sml +++ b/src/elab_util.sml @@ -233,6 +233,27 @@ fun mapfoldB {kind = fk, con = fc, exp = fe, bind} = 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 |