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| author | Kierán Meinhardt <kieran.meinhardt@gmail.com> | 2020-09-22 23:40:00 +0200 |
|---|---|---|
| committer | Kierán Meinhardt <kieran.meinhardt@gmail.com> | 2020-09-23 00:10:07 +0200 |
| commit | ca8439b6787eb238d7b07544dfc728488f3c71b6 (patch) | |
| tree | 0f812affaa5c569248ee2c1c7e8b39c6e8a405c7 /TreeSearch.hs | |
| parent | 121d703bcd3ecbaba031499070907251b5eae1a9 (diff) | |
lint
Diffstat (limited to 'TreeSearch.hs')
| -rw-r--r-- | TreeSearch.hs | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/TreeSearch.hs b/TreeSearch.hs index 105603a..518c4d9 100644 --- a/TreeSearch.hs +++ b/TreeSearch.hs @@ -32,9 +32,7 @@ findPrev :: TreePos Full a -> Maybe (TreePos Full a) findPrev loc = case prev loc of Just x -> trans_lastChild x - Nothing -> case parent loc of - Just x -> Just x - Nothing -> Nothing + Nothing -> parent loc where trans_lastChild x = case lastChild x of |