Mail::SPF::Base



Mail::SPF::Base

NAME
SYNOPSIS
DESCRIPTION
SEE ALSO
AUTHORS

NAME

Mail::SPF::Base − Base class for Mail::SPF classes

SYNOPSIS

    use base 'Mail::SPF::Base';
    sub new {
        my ($class, @options) = @_;
        my $self = $class−>SUPER::new(@options);
        ...
        return $self;
    }

DESCRIPTION

Mail::SPF::Base is a common base class for all Mail::SPF classes.

Constructor
The following constructor is provided:
new(%options)
: returns Mail::SPF::Base

Creates a new object of the class on which the constructor was invoked. The provided options are stored as key/value pairs in the new object.

The "new" constructor may also be called on an object, in which case the object is cloned. Any options provided override those from the old object.

There are no common options defined in Mail::SPF::Base.

Class methods
The following class methods are provided:
class
: returns string

Returns the class name of the class or object on which it is invoked.

Class methods
The following class methods are provided:
make_accessor($name, $readonly)
: returns code-ref

Creates an accessor method in the class on which it is invoked. The accessor has the given name and accesses the object field of the same name. If $readonly is true, the accessor is made read-only.

Instance methods
There are no common instance methods defined in Mail::SPF::Base.

SEE ALSO

Mail::SPF

For availability, support, and license information, see the README file included with Mail::SPF.

AUTHORS

Julian Mehnle <julian@mehnle.net>, Shevek <cpan@anarres.org>






Opportunity


Personal Opportunity - Free software gives you access to billions of dollars of software at no cost. Use this software for your business, personal use or to develop a profitable skill. Access to source code provides access to a level of capabilities/information that companies protect though copyrights. Open source is a core component of the Internet and it is available to you. Leverage the billions of dollars in resources and capabilities to build a career, establish a business or change the world. The potential is endless for those who understand the opportunity.

Business Opportunity - Goldman Sachs, IBM and countless large corporations are leveraging open source to reduce costs, develop products and increase their bottom lines. Learn what these companies know about open source and how open source can give you the advantage.





Free Software


Free Software provides computer programs and capabilities at no cost but more importantly, it provides the freedom to run, edit, contribute to, and share the software. The importance of free software is a matter of access, not price. Software at no cost is a benefit but ownership rights to the software and source code is far more significant.


Free Office Software - The Libre Office suite provides top desktop productivity tools for free. This includes, a word processor, spreadsheet, presentation engine, drawing and flowcharting, database and math applications. Libre Office is available for Linux or Windows.





Free Books


The Free Books Library is a collection of thousands of the most popular public domain books in an online readable format. The collection includes great classical literature and more recent works where the U.S. copyright has expired. These books are yours to read and use without restrictions.


Source Code - Want to change a program or know how it works? Open Source provides the source code for its programs so that anyone can use, modify or learn how to write those programs themselves. Visit the GNU source code repositories to download the source.





Education


Study at Harvard, Stanford or MIT - Open edX provides free online courses from Harvard, MIT, Columbia, UC Berkeley and other top Universities. Hundreds of courses for almost all major subjects and course levels. Open edx also offers some paid courses and selected certifications.


Linux Manual Pages - A man or manual page is a form of software documentation found on Linux/Unix operating systems. Topics covered include computer programs (including library and system calls), formal standards and conventions, and even abstract concepts.