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| author |  Adam Chlipala <adamc@hcoop.net> | 2008-06-08 17:15:09 -0400 |
|---|---|---|
| committer | Adam Chlipala <adamc@hcoop.net> | 2008-06-08 17:15:09 -0400 |
| commit | bc3d86e857b3b5884aba5b61d7bedb40e76e6616 (patch) | |
| tree | 11a3ee7fb0a09f4b89b8ee195cc96b50850df233 /src/list_util.sml | |
| parent | d52cd67621a27bbd27888c170c843fafb552658c (diff) | |
Tree-shaking
Diffstat (limited to 'src/list_util.sml')
| -rw-r--r-- | src/list_util.sml | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/list_util.sml b/src/list_util.sml index eee8249b..626d0ec0 100644 --- a/src/list_util.sml +++ b/src/list_util.sml @@ -60,4 +60,17 @@ fun mapfold f = mf end +fun search f = + let + fun s ls = + case ls of + [] => NONE + | h :: t => + case f h of + NONE => s t + | v => v + in + s + end + end |