On Tue, 29 May 2001, Walt Mankowski wrote:
> On Tue, May 29, 2001 at 11:59:18AM -0700, Randal L. Schwartz wrote:
> > >>>>> "Brett" == Brett W McCoy <[EMAIL PROTECTED]> writes:
> >
> > >> Uh, careful. This got added to 5.6.1 to support pseudo-hashes and is
> > >> probably coming back out when pseudo-hashes get removed in 5.10.
> > >> ("Death to pseudo-hashes!")
> >
> > Brett> Argh. I didn't realize that. Is this specifically delete on array
> > Brett> elements?
> >
> > Yes.
>
> Is there any difference in 5.6.1 between
>
> delete $array[$index];
>
> and
>
> $array[$index] = undef;
>
> There doesn't seem to be from the man page. If there's not, it
> doesn't seem to be a particularly useful feature.
I think the difference is what 'exists' returns. Undefining an element
still leaves the element in the array ('exists' would return true, but
'defined' would not). This is the case with hashes, isn't it?
-- Brett
Brett W. McCoy
Software Engineer
Broadsoft, Inc.
240-364-5225
[EMAIL PROTECTED]
