ubuntu prerequisites
# Multiprecision arithmetic library developers tools, zlib  
sudo apt-get install libgmp-dev zlib1g-dev -y  
sudo -K
| import qualified Data.ByteString as B | |
| import qualified Data.ByteString.Lazy as BL | |
| import qualified Data.ByteString.Char8 as BC | |
| import qualified Data.ByteString.Lazy.Char8 as BLC | |
| strict = BC.pack "I'm a strict ByteString (or am I)" | |
| lazy = BLC.pack "I'm a lazy ByteString (or am I)" | |
| strictToLazy = BL.fromChunks [strict] | |
| lazyToStrict = B.concat $ BL.toChunks lazy |