Function: ->>

->> is a macro defined in dash.el.

Signature

(->> X &optional FORM &rest MORE)

Documentation

Thread the expr through the forms. Insert X as the last item in the first form, making a list of it if it is not a list already. If there are more forms, insert the first form as the last item in second form, etc.

Source Code

;; Defined in ~/.emacs.d/elpa/dash-20260221.1346/dash.el
(defmacro ->> (x &optional form &rest more)
  "Thread the expr through the forms. Insert X as the last item
in the first form, making a list of it if it is not a list
already. If there are more forms, insert the first form as the
last item in second form, etc."
  (declare (debug ->))
  (cond
   ((null form) x)
   ((null more) (if (listp form)
                    `(,@form ,x)
                  (list form x)))
   (:else `(->> (->> ,x ,form) ,@more))))