[Nix-dev] Using several versions of GHC at once

[Vladimír Čunát]

On 06/15/2013 08:51 PM, Nikita Karetnikov wrote:
> I have another question.  How does 'nix-env -i' determine which version
> of a package it should install?

Priorities can be assigned in the sources. Usually people do choose one 
version as a reasonable default, and for libraries the other versions 
are often only kept for compatibility with a few applications.

Vlada


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