Function curry

MathBox/mathbox-bundle.js:40464–40467

* Creates a function which accepts one or more arguments of `func` that when * invoked either executes `func` returning its result, if all `func` arguments * have been provided, or returns a function that accepts one or more of the * remaining `func` arguments, and so on. The arity of

(func, arity)

     * // => 6
     */
    function curry(func, arity) {
      arity = typeof arity == 'number' ? arity : (+arity || func.length);
      return createWrapper(func, 4, null, null, null, arity);
    }

    /**
     * Creates a function that will delay the execution of `func` until after