Inheritance

---

Inheritance is declared in Moose using the "extends" keyword. Multiple inheritance is allowed.

examples/Moose/employee01/script/person.pl

use strict;
use warnings;
use v5.10;

use Person;
use Employee;

my $student = Person->new( name => 'Foo' );
say $student->name;        # Foo

my $programmer = Employee->new( name => 'Bar', employer => 'Perl Corp' );
say $programmer->name;     # Bar
say $programmer->employer; # Perl Corp

my $unemployed = Person->new( name => 'Foo', employer => 'Java Corp' );
say $unemployed->name;     # Foo
say $unemployed->employer;
# Exception:
# Can't locate object method "employer" via package "Person"

examples/Moose/employee01/lib/Employee.pm

package Employee;
use Moose;

extends 'Person';

has 'employer'   => (is => 'rw');

1;