replicate -package:Cabal -package:base is:exact -package:containers -package:ghc -package:conduit package:filepath

O(n) replicate n x is a ByteString of length n with x the value of every element. The following holds:
replicate w c = unfoldr w (\u -> Just (u,u)) c
O(n) replicate n x is a ByteString of length n with x the value of every element. The following holds:
replicate w c = unfoldr w (\u -> Just (u,u)) c