Re: [Orgmode] Re: [babel] features request for Emacs Initialization

[Jonathan Arkell]

Doh.

Thanks for catching that mistake.


On 2009/12/8 1:28 AM, "Sébastien Vauban" <address@hidden> wrote:

> Hi Jonathan,
>
> Jonathan Arkell wrote:
> > On 2009/12/7 12:31 AM, "bluedian" <address@hidden> wrote:
> >>
> >> For now, I use this basic snippet when defining emacs code block in my
> >> configuration files, JDL-Debug is a flag I put to true when I want to debug
> >> my Emacs configuration.
> >>
> >> # -*- mode: snippet -*-
> >> # name: code org for emacs configuration blocks
> >> # key: cemacs
> >> # --
> >> #+srcname: $1
> >> #+begin_src emacs-lisp
> >> (if JDL-Debug
> >>  (message "start $1"))
> >> $2
> >> (if JDL-Debug
> >>  (message "End $1"))
> >> #+end_src
> >
> > Why not use a macro?  That is one of the great things about lisp:
> >
> > (defmacro JDL-Debug (section &rest code)
> >   `(if JDL-Ddebuging
> >      (progn
> >        (message (concat "start " ,section))
> >        ,code
> >        (message (concat "end " ,section)))))
> >
> > (I haven't tested it, but that should work.)
>
> Not the same semantics, here: you don't execute the code unless the debug flag
> is set to `t'. In his case, the debug flag just adds (or not) messages in the
> echo area.
>
> Apart from that little difference, yes, I guess using macros is an excellent
> idea.
>
> Best regards,
>   Seb
>
> --
> Sébastien Vauban
>
>
>
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