Re: Bug in pixbuf->copy ?

[Thierry Vignaud <tvignaud mandriva com>]

Torsten Schoenfeld <kaffeetisch gmx de> writes:

> >     use strict; #!!!
> >
> >     sub insert_image {
> >        my ($textbuffer, $file) = @_;
> >        my $pixbuf = Gtk2::Pixbuf->new_from_file($file) if -f $file and -r _;
> >        $pixbuf ||= Gtk2::Image->new->render_icon('gtk-missing-image', 
> > 'dialog')->copy;
> >       
> >        # ...
> >     }
>
> This is actually an undocumented and not future-proof way of getting
> static variables.  The "glitches" that make it work are described in
> [1].  There was also an entry about this on of the p5p digests, but the
> original site[2] doesn't seem to have it anymore -- probably to not
> further publicize the trick.  Anyway, the Google cache[3] still has it.

well, until state variables are availlable (perl-5.9.x ???), that's
the only way to have static variables, that do be usefull in some
cases.