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

[Ertugrul Soeylemez]

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?

Alternatively for small programs for which you don't use a Cabal file
you can use the PackageImports extension (-XPackageImports) and import
modules from specific packages.  For example both the 'pool' and the
'resource-pool' packages provide a Data.Pool module.  You can choose to
import the one from 'resource-pool' using this:

    import "resource-pool" Data.Pool


Greets,
Ertugrul


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