Function: tab-bar--tab-index

tab-bar--tab-index is a byte-compiled function defined in tab-bar.el.gz.

Signature

(tab-bar--tab-index TAB &optional TABS FRAME)

Source Code

;; Defined in /usr/src/emacs/lisp/tab-bar.el.gz
(defun tab-bar--tab-index (tab &optional tabs frame)
  ;; Return the index of TAB.
  (seq-position (or tabs (funcall tab-bar-tabs-function frame))
                tab #'eq))