diff options
Diffstat (limited to 'src/core_util.sml')
| -rw-r--r-- | src/core_util.sml | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/core_util.sml b/src/core_util.sml index 9cde8ab9..1964ce9d 100644 --- a/src/core_util.sml +++ b/src/core_util.sml @@ -282,6 +282,16 @@ fun mapfoldB {kind = fk, con = fc, exp = fe, bind} = S.map2 (mfc ctx rest, fn rest' => (EField (e', c', {field = field', rest = rest'}), loc))))) + | ECut (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' => + (ECut (e', c', {field = field', rest = rest'}), loc))))) | EFold k => S.map2 (mfk k, fn k' => |