X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=Data%2FHashTable.hs;h=9fbe7353c19ca0362e6bcee0b7f93fe8b1a72f19;hb=b8ac498face4c8b16c06d30fbc86666b7dc28173;hp=66ee2b1249594f738f1cfe7bc2fe77191fcea3bf;hpb=f00fe3e6cb628f3bfac049275660f0365daa3733;p=ghc-base.git diff --git a/Data/HashTable.hs b/Data/HashTable.hs index 66ee2b1..9fbe735 100644 --- a/Data/HashTable.hs +++ b/Data/HashTable.hs @@ -175,10 +175,14 @@ hLOAD = 4 :: Int32 -- Maximum average load of a single hash bucket -- ----------------------------------------------------------------------------- -- Creating a new hash table --- | Creates a new hash table +-- | Creates a new hash table. The following property should hold for the @eq@ +-- and @hash@ functions passed to 'new': +-- +-- > eq A B => hash A == hash B +-- new - :: (key -> key -> Bool) -- ^ An equality comparison on keys - -> (key -> Int32) -- ^ A hash function on keys + :: (key -> key -> Bool) -- ^ @eq@: An equality comparison on keys + -> (key -> Int32) -- ^ @hash@: A hash function on keys -> IO (HashTable key val) -- ^ Returns: an empty hash table new cmp hash_fn = do