Perl by Example

Appendix C. Introduction to Moose (A Postmodern Object System for Perl 5)

Moose offers you an alternative to writing object-oriented Perl the old fashioned way, as described in Chapter 14, “Bless Those Things! (Object-Oriented Perl).” It modernizes Perl’s object system by including features that are familiar to C++ and Java programmers and makes Perl OO more consistent, easier to use, and more powerful. (Moose is based on the idea of meta-object programming, or MOP, which means that the object system itself is an object, a framework built on top of the Perl OO system.)

Moose is an extension of the Perl 5 object system which sweetens the process ...