On Saturday 22 December 2001 02:29 am, Brent Dax wrote:
> I've been thinking about improvements that could be made to Exporter for
> Perl 6.
>
> 1. Choosing where to export to:
> use Data::Dumper 'Dumper' => 'dumpvar';
> #exports Data::Dumper::Dumper to Main::dumpvar (or whatever)
Where to import to. It's probably not a good idea to export into someone
else's namespace. (Pull vs Push).
> 2. Built-in switch handling:
> use Data::Dumper ('Dumper' : qw(+Indent=2 +Useqq));
> #imports Dumper, sets $Data::Dumper::Indent=2, and
> # does $Data::Dumper::Useqq is true
Is it more or less confusing (overall) to be mixing importation with simple,
non-imported data initialization, as opposed to having it all be imported
(with optional data initialization)?
> 3. Warnings about conflicts:
> use warnings 'Exporter';
> sub Dumper { ... }
> use Data::Dumper qw(Dumper);
> #prints out a warning (not just 'redefined subroutine', either).
> 4. For modules, saying 'use Exporter' should be enough to get import.
> If you don't want Exporter's import(), just C<use Exporter()>.
> 5. In addition to @EXPORT/@EXPORT_OK/%EXPORT_TAGS, provide a way to do
> it on the 'use Exporter' line.
>
> So, with those requirements and what knowledge of Perl 6 I have, I
> present a preliminary Exporter. I typed it directly into the mailer, so
> there's a good chance of mistakes. If anyone spots any mistakes in it,
> let me know.
Well, I can't get it to run.... :-)
--
Bryan C. Warnock
[EMAIL PROTECTED]
