[PATCH 1/2] emacs: remove some code duplication in notmuch-show

Dmitry Kurochkin dmitry.kurochkin at gmail.com
Mon Nov 28 10:11:43 PST 2011


Hi Jamie.

On Mon, 28 Nov 2011 06:24:19 -0800, Jameson Graef Rollins <jrollins at finestructure.net> wrote:
> On Sat, 26 Nov 2011 02:23:30 +0400, Dmitry Kurochkin <dmitry.kurochkin at gmail.com> wrote:
> > -(defun notmuch-show-get-header (header)
> > +(defun notmuch-show-get-header (header &optional props)
> >    "Return the named header of the current message, if any."
> > -  (plist-get (notmuch-show-get-prop :headers) header))
> > +  (plist-get (notmuch-show-get-prop :headers props) header))
> 
> Hey, Dmitry.  It looks like the new plist-get call is assuming props is
> defined, but it looks like it's only optional in the argument list.
> Wouldn't the function fail if the props argument is not supplied?
> 

If props is not supplied it is bound to nil.  There is no special
"undefined" value.

Regards,
  Dmitry

> jamie.


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