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Postings from December 2010
On Mon, Dec 13, 2010 at 09:07:00AM +0100, Johan Vromans wrote:
> [Quoting Eric Brine, on December 13 2010, 02:51, in "Re: [perl #80628] [P"]
> > On Mon, Dec 13, 2010 at 2:09 AM, Johan Vromans <jvromans@squirrel.nl> wrote:
> >
> > > More important is whether it is a keyword, or a compile time constant
> > > like __FILE__ and __LINE__.
> > >
> > > -- Johan
> > >
> >
> > As proposed, it's not constant.
>
> Then please do not call it __SUB__.
>
> What would be the difference with (caller(0))[3] ?
>
Because the latter doesn't work?
$ perl -wE '$f = sub {say "Hello"; (caller (0)) [3] -> () if @_}; $f -> (1)'
Hello
Undefined subroutine &main::__ANON__ called at -e line 1.
$
(caller (0)) [3] requires an entry in the symbol table - which not every
sub has.
Abigail
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