cljs.spec.alpha/explain

functionpreviously cljs.spec/explainEdit
(explain spec x)

Source docstring:
Given a spec and a value that fails to conform, prints an explanation to *out*.
Source code @ clojurescript:src/main/cljs/cljs/spec/alpha.cljs
(defn explain
  [spec x]
  (explain-out (explain-data spec x)))