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Re: [External] : Tip: Debugging with function `message-box'
From: |
Jean Louis |
Subject: |
Re: [External] : Tip: Debugging with function `message-box' |
Date: |
Thu, 24 Jun 2021 22:31:25 +0300 |
User-agent: |
Mutt/2.0.7+183 (3d24855) (2021-05-28) |
* Drew Adams <drew.adams@oracle.com> [2021-06-24 21:50]:
> > I find it often easier to debug values of some variables by using the
> > function `message-box' instead of just `message':
> >
> > (message-box "%s" "Hello")
> >
> > Unlike the function `message' this one blocks the execution for a
> > while, or until confirmed. This is useful in various debugging
> > processes.
>
> Sure. Some alternatives, just for info:
>
> To just pause so you can see the message (which gets
> logged to `*Messages*' anyway), you can use `sit-for'
> or `sleep-for'. E.g. `(message "...")(sleep-for 2)'.
>
> To block until confirmed, you can use `(debug)'.
> (`c' to just confirm.) And `(debug nil <whatever>)'
> prints the <whatever> at the top of the debugger
> (like a message).
Good tips.
When there is something wrong I am also using C-u C-M-x to instrument
the function then I can go step by step verifying what is happening.
--
Jean
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