[Pdx-pm] hdp on Moose - April meeting in 2 weeks

Seven till Seven enobacon at gmail.com
Wed Mar 25 10:16:25 PDT 2009

  Wed. April 8th, 6:53pm at FreeGeek -- 1731 SE 10th Ave.

topic:   Meta-Moose
speaker: hdp

Moose is a postmodern object system for Perl 5. 

 Moose's recent rise in popularity has led to a surge of declarative 
class-building and accessor-generating modules, but the real power of 
Moose comes from its metaclass fundamentals, not from the syntactic 
sugar of has(). Using Moose as a foundation makes it easier for your 
code to grow and scale. 

 I'll cover some of the concepts in Moose that the MOP (Meta-Object 
Protocol) makes possible, especially roles and type constraints. If we 
have time, I'll go through a simple Moose extension, focusing on the 
mechanisms Moose provides to help your code play nicely with others'. 

 If the first sentence of this description was news to you, you should 
at least read the SYNOPSIS of Moose, and if you can get through 
Moose::Manual and Moose::Manual::Concepts, so much the better. I'll 
expect a lot of questions, but I hope to move past "what is an object" 
pretty quickly. 

 By the end of the night I hope you'll have a better understanding of 
the depth of what Moose provides, and why has() is only the tip of the 
iceberg. I don't expect that everyone will immediately understand every 
concept provided – my goal is to impress you so much with Moose's 
awesomeness that you're willing to follow up later on the documentation 
pointers that I throw out.

As always, the meeting will be followed by social hour at the Lucky Lab.


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