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There's a function for that!

kibit is a static code analyzer for Clojure which uses the core.logic unifier to search for patterns of code for which there might exist a more idiomatic function or macro. For example if kibit finds the code

(if (some test)
  (some action)

it will make the suggestion to use the while macro instead of if.


Add [jonase/kibit "0.0.1"] to your :plugins vector in your :user profile (Leiningen 2) or if you are using Leiningen 1:

$ lein plugin install jonase/kibit 0.0.1

Then you can run

$ lein kibit

to analyze your namespaces.


It is very easy to write new patterns for kibit. Take a look at controle-structures.clj to see how new patterns are created. If you know of a recurring pattern of code that can be simplified, please consider sending me a pull request.

Bugs can be reported using the github bug tracker.


  • Figure out how to report line numbers.
  • More rules
  • Remove reflection warnings (how?)
  • Can core.logic be used to its full potential?
  • Analyse ClojureScript files?


Copyright © 2012 Jonas Enlund

Distributed under the Eclipse Public License, the same as Clojure.