Advanced control structures in Parrot

By Bob Rogers from Boston.pm
Date: Tuesday, June 17, 2008 04:05 PM
Duration: 45 minutes
Target audience: Advanced
Language:
Tags: parrot


We all know about "for" and "while" loops -- they are implemented with gotos -- but what really happens when you "goto" a label that is outside the sub? How does error handling work under the hood? What's a coroutine good for, and how does it work?

The answers to all of these questions involve something called a "continuation," which is just a generalized goto. Come find out how continuations work in Parrot, and see how they support advanced programming techniques.


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