persistent!

functionsince v0.0-1211 clojure.core/persistent!Edit
(persistent! tcoll)

Source docstring:
Returns a new, persistent version of the transient collection, in
constant time. The transient collection cannot be used after this
call, any such use will throw an exception.
Source code @ clojurescript:src/main/cljs/cljs/core.cljs
(defn persistent!
  [tcoll]
  (-persistent! tcoll))