diff options
Diffstat (limited to 'src/core_util.sml')
| -rw-r--r-- | src/core_util.sml | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/core_util.sml b/src/core_util.sml index b3e266af..66918863 100644 --- a/src/core_util.sml +++ b/src/core_util.sml @@ -143,6 +143,12 @@ fun mapfoldB {kind = fk, con = fc, bind} = S.map2 (mfc ctx c2, fn c2' => (CConcat (c1', c2'), loc))) + | CFold (k1, k2) => + S.bind2 (mfk k1, + fn k1' => + S.map2 (mfk k2, + fn k2' => + (CFold (k1', k2'), loc))) in mfc end |