use

macrosince v1.9.183 clojure.core/useEdit
(use & args)

Source docstring:
Like require, but referring vars specified by the mandatory
:only option.

Example:

The following would load the library clojure.set while referring
the intersection var.

(use '[clojure.set :only [intersection]])
Source code @ clojurescript:src/main/clojure/cljs/core.cljc
(core/defmacro use
  [& args]
  `(~'ns* ~(cons :use args)))