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| author |  Adam Chlipala <adamc@hcoop.net> | 2008-07-31 16:28:55 -0400 |
|---|---|---|
| committer | Adam Chlipala <adamc@hcoop.net> | 2008-07-31 16:28:55 -0400 |
| commit | 16d3d1c3a6d1e78faab91076c20b76fdcb90edb9 (patch) | |
| tree | ef54b557b346fa95b4322478bf5fbec431944f18 /src/expl_util.sml | |
| parent | d668886a45158cf3a292fdef3fa81498efd77652 (diff) | |
Case through explify
Diffstat (limited to 'src/expl_util.sml')
| -rw-r--r-- | src/expl_util.sml | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/expl_util.sml b/src/expl_util.sml index e1a5d30f..685605c3 100644 --- a/src/expl_util.sml +++ b/src/expl_util.sml @@ -286,6 +286,17 @@ fun mapfoldB {kind = fk, con = fc, exp = fe, bind} = S.map2 (mfe ctx e, fn e' => (EWrite e', loc)) + + | ECase (e, pes, t) => + S.bind2 (mfe ctx e, + fn e' => + S.bind2 (ListUtil.mapfold (fn (p, e) => + S.map2 (mfe ctx e, + fn e' => (p, e'))) pes, + fn pes' => + S.map2 (mfc ctx t, + fn t' => + (ECase (e', pes', t'), loc)))) in mfe end |