/ 
Package-Pkg-0.0016
/ Package::Pkg

NAME

Package::Pkg - Handy package munging utilities

VERSION

version 0.0016

SYNOPSIS

First, import a new keyword: pkg

use Package::Pkg;

Package name formation:

pkg->name( 'Xy', 'A' ) # Xy::A
pkg->name( $object, qw/ Cfg / ); # (ref $object)::Cfg

Subroutine installation:

pkg->install( sub { ... } => 'MyPackage::myfunction' );

# myfunction in MyPackage is now useable
MyPackage->myfunction( ... );

Subroutine exporting:

package MyPackage;

use Package::Pkg;

sub this { ... }

# Setup an exporter (literally sub import { ... }) for
# MyPackage, exporting 'this' and 'that'
pkg->export( that => sub { ... }, 'this' );

package main;

use MyPackage;

this( ... );

that( ... );

DESCRIPTION

Package::Pkg is a collection of useful, miscellaneous package-munging utilities. Functionality is accessed via the imported pkg keyword, although you can also invoke functions directly from the package (Package::Pkg)

USAGE

pkg->install( ... )

Install a subroutine, similar to Sub::Install (and actually using that module to do the dirty work)

$package = pkg->name( <part>, [ <part>, ..., <part> ] )

Return a namespace composed by joining each <part> with ::

Superfluous/redundant :: are automatically cleaned up and stripped from the resulting $package

If the first part leads with a ::, the the calling package will be prepended to $package

pkg->name( 'Xy', 'A::', '::B' )      # Xy::A::B
pkg->name( 'Xy', 'A::' )             # Xy::A::

{
    package Zy;

    pkg->name( '::', 'A::', '::B' )  # Zy::A::B
    pkg->name( '::Xy::A::B' )        # Zy::Xy::A::B
}

In addition, if any part is blessed, name will resolve that part to the package that the part makes reference to:

my $object = bless {}, 'Xyzzy';
pkg->name( $object, qw/ Cfg / );     # Xyzzy::Cfg

SEE ALSO

Sub::Install

Sub::Exporter

AUTHOR

Robert Krimen <robertkrimen@gmail.com>

COPYRIGHT AND LICENSE

This software is copyright (c) 2010 by Robert Krimen.

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