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added simple guide to Cabal

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Chris Allen 2014-06-12 21:27:37 -05:00
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README.md
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@ -114,6 +114,8 @@ In addition to being an amazing guide for all kinds of things such as GADTs, thi
### Cabal guidelines
- http://katychuang.com/cabal-guide/ Cabal - the simple guide
Cabal Hell was a problem for Haskell users before the introduction of sandboxes. Installing outside of a sandbox will install into your user package-db. This is *not* a good idea except for foundational packages like Cabal, alex, and happy. Nothing else should be installed in the user or global package-dbs unless you know what you're doing.
To experiment with a package or start a project, begin by doing `cabal sandbox init` in a new directory.