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five (or six) ways to invoke a function
From: |
Emanuel Berg |
Subject: |
five (or six) ways to invoke a function |
Date: |
Mon, 18 Oct 2021 21:51:11 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) |
Five (or six) ways to invoke the same function ...
(defun hline (&optional char)
(interactive "P")
(let ((len (- (window-width) (or (current-column) 0) 1))
(c (or (and (listp char) (car char))
(and (numberp char) char)
?-) ))
(insert (make-string len c)) ))
(when nil
(hline)----------------------------------------------------------------------
(hline 42)*******************************************************************
(hline ?+)+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
M-x hline RET----------------------------------------------------------------
C-u C-u C-u M-x hline RET@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
C-u 59 M-x hline RET;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
)
https://dataswamp.org/~incal/emacs-init/string.el
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