3 ms·
With `[a] -> Maybe a`, it's not so bad if you use `catMaybes` from Data.Maybe. map transform . catMaybes . map safeHead
by marchelzo 10y ago
With `[a] -> Maybe a`, it's not so bad if you use `catMaybes` from Data.Maybe.
map transform . catMaybes . map safeHead
- koloron 10y agoEven better with mapMaybe: map transform . mapMaybe safeHead