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| author |  Adam Chlipala <adamc@hcoop.net> | 2008-09-07 11:53:30 -0400 |
|---|---|---|
| committer | Adam Chlipala <adamc@hcoop.net> | 2008-09-07 11:53:30 -0400 |
| commit | f8d1a7fcf13f655200be366733c24233b5df7f9a (patch) | |
| tree | d2b1505cfdcef966f5410d29930821ab39fa1818 /src/mono_util.sml | |
| parent | 9ae8932c978ab9c12f683745b47b3e0898581635 (diff) | |
'read' type class
Diffstat (limited to 'src/mono_util.sml')
| -rw-r--r-- | src/mono_util.sml | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mono_util.sml b/src/mono_util.sml index b2fdff52..90ae3a4f 100644 --- a/src/mono_util.sml +++ b/src/mono_util.sml @@ -145,6 +145,12 @@ fun mapfoldB {typ = fc, exp = fe, bind} = 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, |