
8 Apr
2009
8 Apr
'09
3:47 p.m.
wren ng thornton
Data.HashTable.lookup :: HashTable key val -> key -> IO (Maybe val) Data.Map.lookup :: Ord key => key -> Map key val -> Maybe val
I'd guess it's due more to antiquity than to intention.
I am fairly sure that FiniteMap, which preceeded Data.Map, had the same parameter order as HashTable. -k -- If I haven't seen further, it is by standing in the footprints of giants