What are good alternatives to object construction and new, and how do they compare?

Exploring alternatives to traditional object construction and the `new` operator in Perl, including factory methods, of, and roles for better design patterns.
alternatives to object construction, Perl object construction, factory methods in Perl, Perl roles, Perl design patterns
# Example of using a Factory Method package AnimalFactory; sub create_animal { my ($type) = @_; if ($type eq 'dog') { return Dog->new(); } elsif ($type eq 'cat') { return Cat->new(); } else { die "Animal type $type is not recognized"; } } package Dog; sub new { my $class = shift; return bless {}, $class; } package Cat; sub new { my $class = shift; return bless {}, $class; } # Using the factory my $dog = AnimalFactory::create_animal('dog'); my $cat = AnimalFactory::create_animal('cat');

alternatives to object construction Perl object construction factory methods in Perl Perl roles Perl design patterns