debian man page for sub::exporter::globexporter

Sub::Exporter::GlobExporter(3pm)			User Contributed Perl Documentation			  Sub::Exporter::GlobExporter(3pm)

NAME
       Sub::Exporter::GlobExporter - export shared globs with Sub::Exporter collectors

VERSION
       version 0.002

SYNOPSIS
       First, you write something that exports globs:

	 package Shared::Symbol;

	 use Sub::Exporter;
	 use Sub::Exporter::GlobExport qw(glob_exporter);

	 use Sub::Exporter -setup => {
	   ...
	   collectors => { '$Symbol' => glob_exporter(Symbol => '_shared_globref') },
	 };

	 sub _shared_globref { return *Common }

       Now other code can import $Symbol and get their *Symbol made an alias to *Shared::Symbol::Symbol.

       If you don't know what this means or why you'd want to do it, you may want to stop reading now.

       The other class can do something like this:

	 use Shared::Symbol '$Symbol';

	 print $Symbol; # prints the scalar entry of *Shared::Symbol::Symbol

       ...or...

	 use Shared::Symbol '$Symbol' => { -as => 'SharedSymbol' };

	 print $SharedSymbol; # prints the scalar entry of *Shared::Symbol::Symbol

OVERVIEW
       Sub::Exporter::GlobExporter provides only one routine, "glob_exporter", which may be called either by its full name or may be imported on
       request.

	 my $exporter = glob_exporter( $default_name, $globref_locator );

       The routine returns a collection validator that will export a glob into the importing package.  It will export it under the name
       $default_name, unless an alternate name is given (as shown above).  The glob that is installed is specified by the $globref_locator, which
       can be either the globref itself, or a reference to a string which will be called on the exporter

       For an example, see the "SYNOPSIS", in which a method is defined to produce the globref to share.  This allows the glob-exporting package
       to be subclassed, for for the subclass to choose to re-use the same glob when exporting or to export a new one.

       If there are entries in the arguments to the globref-exporting collector other than those beginning with a dash, a hashref of them will be
       passed to the globref locator.  In other words, if we were to write this:

	 use Shared::Symbol '$Symbol' => { arg => 1, -as => 2 };

       It would result in a call like the following:

	 my $globref = Shared::Symbol->_shared_globref({ arg => 1 });

AUTHOR
       Ricardo Signes <rjbs@cpan.org>

COPYRIGHT AND LICENSE
       This software is copyright (c) 2010 by Ricardo Signes.

       This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

perl v5.10.1							    2010-11-23					  Sub::Exporter::GlobExporter(3pm)