Skip to content


Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
tag: core.typed-0.2…
Fetching contributors…

Cannot retrieve contributors at this time

123 lines (78 sloc) 3.752 kb


Gradual typing in Clojure, as a library.

Releases and Dependency Information

Latest stable release is 0.2.28.

Leiningen dependency information:

[org.clojure/core.typed "0.2.28"]

; for very recent releases
:repositories {"sonatype-oss-public" ""}

; for slim jars, follow version string with: :classifier "slim"

Maven dependency information:

  <!-- slim jar -->
  <!-- <classifier>slim</classifier> -->

The default jars contain AOT files for faster loading. If jar size is a concern, consider using the slim jar in production.


Support full-time core.typed development

[Talk] Clojure Conj 2012


Mailing List and IRC

Use the core.typed mailing list for core.typed discussion, or try #typed-clojure on Freenode (the main developer is ambrosebs).

IRC Logs (Thanks to Anthony Grimes!)


See wiki.

API Reference

Ambrose's blog

Leiningen Plugin



(clojure.core.typed/ann v t) gives var v the static type t.

(clojure.core.typed/ann-form f t) ensures form f is of the static type t.

(clojure.core.typed/check-ns) type checks the current namespace.

(clojure.core.typed/cf t) type checks the form t.

Developer Information


  • Stephen Compall (S11001001)
  • Andrew Brehaut (brehaut)
  • Christopher Spencer (cspencer)
  • Reid McKenzie (arrdem)


YourKit is kindly supporting core.typed and other open source projects with its full-featured Java Profiler. YourKit, LLC is the creator of innovative and intelligent tools for profiling Java and .NET applications. Take a look at YourKit's leading software products:


Copyright © Ambrose Bonnaire-Sergeant, Rich Hickey & contributors.

Licensed under the EPL (see the file epl.html).

Jump to Line
Something went wrong with that request. Please try again.