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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: help-gnu-emacs@gnu.org
Subject: Re: point-at-final-line
Date: Mon, 29 Jan 2018 22:50:09 -0500	[thread overview]
Message-ID: <jwva7ww6m5x.fsf-monnier+gmane.emacs.help@gnu.org> (raw)
In-Reply-To: 86r2qcf1h2.fsf@zoho.com

> (defmacro measure-time (&rest body)
>   "Measure and return the running time of the code block.
> Not mine: http://nullprogram.com/blog/2009/05/28/"
>   (declare (indent defun))
>   (let ((start (make-symbol "start")))
>     `(let ((,start (float-time)))
>        ,@body
>        (- (float-time) ,start))))
[...]
> ;; (insert (format "\n;; %f" (measure-time #'point-at-final-line)))

This doesn't actually call the function, so no wonder it will take the
same amount of time no matter which function you pass to it.


        Stefan




  parent reply	other threads:[~2018-01-30  3:50 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-27  1:14 point-at-final-line Emanuel Berg
2018-01-27  1:36 ` point-at-final-line Ben Bacarisse
2018-01-27  1:52   ` point-at-final-line John Mastro
2018-01-27  2:50   ` point-at-final-line Emanuel Berg
     [not found]   ` <mailman.8058.1517017989.27995.help-gnu-emacs@gnu.org>
2018-01-27  2:56     ` point-at-final-line Emanuel Berg
2018-01-27  3:02     ` point-at-final-line Emanuel Berg
2018-01-27  6:11       ` point-at-final-line Marcin Borkowski
     [not found]       ` <mailman.8063.1517033499.27995.help-gnu-emacs@gnu.org>
2018-01-27  7:05         ` point-at-final-line Emanuel Berg
2018-01-28 16:06       ` point-at-final-line Stefan Monnier
     [not found]       ` <mailman.8116.1517155644.27995.help-gnu-emacs@gnu.org>
2018-01-28 18:59         ` point-at-final-line Emanuel Berg
2018-01-28 20:36           ` point-at-final-line Eli Zaretskii
     [not found]           ` <mailman.8132.1517171769.27995.help-gnu-emacs@gnu.org>
2018-01-29 15:03             ` point-at-final-line Emanuel Berg
2018-01-29 16:04               ` point-at-final-line Eli Zaretskii
     [not found]               ` <mailman.8177.1517241890.27995.help-gnu-emacs@gnu.org>
2018-01-29 16:40                 ` point-at-final-line Emanuel Berg
2018-01-29 17:51                   ` point-at-final-line Eli Zaretskii
     [not found]                   ` <mailman.8185.1517248285.27995.help-gnu-emacs@gnu.org>
2018-01-30  2:18                     ` point-at-final-line Emanuel Berg
2018-01-30  3:32                       ` point-at-final-line Eli Zaretskii
2018-01-30  3:50       ` Stefan Monnier [this message]
     [not found]       ` <mailman.8212.1517284260.27995.help-gnu-emacs@gnu.org>
2018-01-30 14:52         ` point-at-final-line Emanuel Berg

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