[Haskell-cafe] what if two package contains same module?

[Ivan Lazar Miljenovic]

On 30 June 2011 17:40, 吴兴博 <wuxb45 at gmail.com> wrote:
> it seems that cabal install different into different folders.
> if two package contains same module name, can they all exist?
> since cabal have no "remvoe" or "uninstall". how can I hide some packages?

ghc-pkg hide foo-1.2.3

This will work for using them in ghci and explicit ghc calls.
Otherwise, when using packages built with cabal, you specify which
libraries you use and Cabal hides the rest.

-- 
Ivan Lazar Miljenovic
Ivan.Miljenovic at gmail.com
IvanMiljenovic.wordpress.com