NAME

Data::Object::Undef

ABSTRACT

Data-Object Undef Class

SYNOPSIS

use Data::Object::Undef;

my $undef = Data::Object::Undef->new;

DESCRIPTION

This package provides routines for operating on Perl 5 undefined data.

METHODS

This package implements the following methods.

defined

defined() : NumObject

The defined method always returns false. This method returns a Data::Object::Number object.

defined example

# given undef

$undef->defined ? 'Yes' : 'No'; # No

eq

eq(Any $arg1) : NumObject

This method is a consumer requirement but has no function and is not implemented. This method will throw an exception if called.

eq example

# given $undef

$undef->eq; # exception thrown

ge

ge(Any $arg1) : NumObject

This method is a consumer requirement but has no function and is not implemented. This method will throw an exception if called.

ge example

# given $undef

$undef->ge; # exception thrown

gt

gt(Any $arg1) : NumObject

This method is a consumer requirement but has no function and is not implemented. This method will throw an exception if called.

gt example

# given $undef

$undef->gt; # exception thrown

le

le(Any $arg1) : NumObject

This method is a consumer requirement but has no function and is not implemented. This method will throw an exception if called.

le example

# given $undef

$undef->le; # exception thrown

lt

lt(Any $arg1) : NumObject

This method is a consumer requirement but has no function and is not implemented. This method will throw an exception if called.

lt example

# given $undef

$undef->lt; # exception thrown

ne

ne(Any $arg1) : NumObject

This method is a consumer requirement but has no function and is not implemented. This method will throw an exception if called.

ne example

# given $undef

$undef->ne; # exception thrown

roles

roles() : ArrayRef

The roles method returns the list of roles attached to object. This method returns a Data::Object::Array object.

roles example

# given $undef

$undef->roles;

rules

rules() : ArrayRef

The rules method returns consumed rules.

rules example

my $rules = $undef->rules();

AUTHOR

Al Newkirk, awncorp@cpan.org

LICENSE

Copyright (C) 2011-2019, Al Newkirk, et al.

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

PROJECT

GitHub

Contributing

Reporting

SEE ALSO

To get the most out of this distribution, consider reading the following:

Data::Object::Class

Data::Object::Role

Data::Object::Rule

Data::Object::Library

Data::Object::Signatures

cpanm Do

perl -MCPAN -e shell
install Do