replicate -package:Cabal -package:bytestring -package:containers -package:base-prelude package:ghc

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]
Replicate an 8-bit character