Shopping cart class - integration

[eluser]sarah fox[/eluser]
Shopping Cart Class

http://ellislab.com/codeigniter/user-gui.../cart.html

Hello.

is there a tutorial for the above class ?

Ie, are the PHP code snippets counted as helpers / Controllers or what ?

& examples on how to use..

[eluser]Bart v B[/eluser]
Some greate guy made a good videi tutorial.
Shopping cart