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Package::props(3) User Contributed Perl Documentation Package::props(3)

Object::props - Pragma to implement lvalue accessors with options

Included in OOTools 2.21 distribution.

The latest versions changes are reported in the Changes file in this distribution.

The distribution includes:

Package::props
Pragma to implement lvalue accessors with options
* Package::groups
Pragma to implement groups of properties accessors with options
* Class::constr
Pragma to implement constructor methods
* Class::props
Pragma to implement lvalue accessors with options
* Class::groups
Pragma to implement groups of properties accessors with options
* Class::Error
Delayed checking of object failure
* Class::Util
Class utility functions
* Object::props
Pragma to implement lvalue accessors with options
* Object::groups
Pragma to implement groups of properties accessors with options

Prerequisites
    Perl version >= 5.6.1
    
CPAN
    perl -MCPAN -e 'install OOTools'
    
Standard installation
From the directory where this file is located, type:

    perl Makefile.PL
    make
    make test
    make install
    

This pragma is very similar to the "Class::props" pragma: the main difference is the underlying variable that holds the value, which is a global scalar in the caller package instead in the class. For example:

   package BaseClass;
   use Package::props 'a_package_prop';
   use Class::props 'a_class_prop';

   package SubClass;
   our @ISA = 'BaseClass';

   # underlaying scalar for accessor 'a_package_prop' is
   # $BaseClass::a_package_prop
   # underlaying scalar for accessor 'a_class_prop' is
   # $SubClass::a_class_prop;

This might seem a subtle difference, but the possible usage in inherited classes makes a big difference.

You can also call a package property accessor by statically using the implementing package name (e.g. "BaseClass-"a_prop>), regardless the subclass that uses it.

See the documentation of the accessor properties in Class::props for all the details.

If you need support or if you want just to send me some feedback or request, please use this link: http://perl.4pro.net/?Object::props.

© 2004-2005 by Domizio Demichelis.

All Rights Reserved. This module is free software. It may be used, redistributed and/or modified under the same terms as perl itself.

Thanks to Juerd Waalboer (http://search.cpan.org/author/JUERD) that with its Attribute::Property inspired the creation of this distribution.

Hey! The above document had some coding errors, which are explained below:
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2017-04-19 perl v5.32.1

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