I tried to install pandoc on manjaro and therefore I installed ghc and caball-install, but I got an error by executing cabal update$ cabal updateDownloading the latest package list from hackage.haskell.orgcabal: Codec.Compression.Zlib: premature end of compressed streamI also were not able to  install Pandoc with help AUR.
How to install pandoc
manjaro;haskell;cabal;pandoc