Function: backtrace--line-length-or-nil

backtrace--line-length-or-nil is a byte-compiled function defined in backtrace.el.gz.

Signature

(backtrace--line-length-or-nil)

Documentation

Return backtrace-line-length if valid, nil else.

Source Code

;; Defined in /usr/src/emacs/lisp/emacs-lisp/backtrace.el.gz
(defun backtrace--line-length-or-nil ()
  "Return `backtrace-line-length' if valid, nil else."
  ;; mirror the logic in `cl-print-to-string-with-limit'
  (and (natnump backtrace-line-length)
       (not (zerop backtrace-line-length))
       backtrace-line-length))