Explore the documentation from there to find further topics.
Help! Something isn't working
The #1 problem that people have when using haskell.nix is that they find themselves building GHC.
This should not happen, but you must follow the haskell.nix setup instructions properly to avoid it.
If you find this happening to you, please check that you have followed the
getting started instructions and
consult the corresponding troubleshooting section.
The troubleshooting documentation also contains some help for other common issues.
Please give it a read before asking on IRC or opening an issue.
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