clojure.core/throw

View this page on ClojureDocs

Type: var Added: Clojure unknown Examples: 3 Runnable: 0

()

The expr is evaluated and thrown, therefore it should yield an instance of some derivee of Throwable. Please see http://clojure.org/special_forms#throw

Examples

by zk on 2010-10-25 . May have evaluation errors. ▶

=> (throw (Exception. "my exception message")) java.lang.Exception: my exception message (NO_SOURCE_FILE:0)

by asiegfried on 2017-08-05 . May have evaluation errors. ▶

;; Different types of exception can be thrown => (throw (AssertionError. "Wrong input.")) java.lang.AssertionError: Wrong input.

by ertugrulcetin on 2020-10-27 . May have evaluation errors. ▶

;; ClojureScript usage => (throw (js/Error. "something went wrong..."))

See also

• clojure.core/try (1)
• clojure.core/catch (0)
• clojure.core/finally (1)
• clojure.core/ex-info (0)
• clojure.core/ex-data (1)

---

Content from the matching ClojureDocs page, with authors credited on each contribution.