[racket] slides unit testing

On Jun 12, 2013, at 11:15 AM, Eric Tanter wrote:

> Hi,
> 
> I remember that someone, some time ago (how precise!), posted on this list a link to a couple of slides that nicely and concisely illustrate the advantages of pure functions vs. impure ones when doing testing. 

Sorry for the late link.  Pardon the egotism, but you *might* have been thinking of my short youtube video:

https://www.youtube.com/watch?v=kx1UbpWlKqo&feature=c4-overview&list=UUxmd9H0WC2vieAsgJVJ_pNA

It's called "Mutation and Testing". It uses #lang slideshow slides; I'd be glad to share them.

John