On Fri, Aug 19, 2005 at 11:41:08AM +0200, Rafael Garcia-Suarez wrote:
> On 8/18/05, Peter Scott <[EMAIL PROTECTED]> wrote:
> > This recently bit me:
> >
> > $ perl -wle 'print 42 if defined($h{foo}++)'
> > 42
> >
> > Now, before thousands of you reach for the flamethrowers, yes, I know
> > - now - that this is documented. I found it in perlop right where it
> > ought to be:
> >
> > | undef is always treated as numeric, and in particular is changed to 0
> > | before incrementing (so that a post-increment of an undef value will
> > | return 0 rather than undef).
>
> This was documented by Hugo as change 19014 :
> http://public.activestate.com/cgi-bin/perlbrowse?patch=19014
> Hugo, any comment on this ?
I remember a borderline acerbic discussion here; perhaps someone could
read the archives and summarize what was said, rather than everyone
restating the same opinions?
