Documentation

rollingHash == rollingHashWith 2047

>>> import qualified Data.ByteString.Char8 as C
>>> rollingHash $ C.pack "abc"
406650978
>>> rollingHashWith @2047 $ C.pack "abc"
406650978

b should be a primitive root of (2^61-1)

>>> import qualified Data.ByteString.Char8 as C
>>> isPrimitiveRootRH 123
True
>>> rollingHashWith @123 $ C.pack "abc"
1479666