replicate -package:Cabal -package:base -package:bytestring -package:memory package:ghc

replicate :: Int -> a -> [a]
ghc GHC.Prelude.Basic
replicate n x is a list of length n with x the value of every element. It is an instance of the more general genericReplicate, in which n may be of any integral type. 
>>> replicate 0 True
[]

>>> replicate (-1) True
[]

>>> replicate 4 True
[True,True,True,True]
bPutReplicate :: BufHandle -> Int -> Char -> IO ()
ghc GHC.Utils.BufHandle
Replicate an 8-bit character