prefer-method

functionsince v0.0-927 clojure.core/prefer-methodEdit
(prefer-method multifn dispatch-val-x dispatch-val-y)

Source docstring:
Causes the multimethod to prefer matches of dispatch-val-x over dispatch-val-y
when there is a conflict
Source code @ clojurescript:src/main/cljs/cljs/core.cljs
(defn prefer-method
  [multifn dispatch-val-x dispatch-val-y]
  (-prefer-method multifn dispatch-val-x dispatch-val-y))