<div dir="ltr"><br><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Jun 27, 2013 at 9:08 PM, John Clements <span dir="ltr"><<a href="mailto:clements@brinckerhoff.org" target="_blank">clements@brinckerhoff.org</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="im"><br>
On Jun 12, 2013, at 11:15 AM, Eric Tanter wrote:<br>
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> Hi,<br>
><br>
> 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.<br>
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</div>Sorry for the late link. Pardon the egotism, but you *might* have been thinking of my short youtube video:<br>
<br>
<a href="https://www.youtube.com/watch?v=kx1UbpWlKqo&feature=c4-overview&list=UUxmd9H0WC2vieAsgJVJ_pNA" target="_blank">https://www.youtube.com/watch?v=kx1UbpWlKqo&feature=c4-overview&list=UUxmd9H0WC2vieAsgJVJ_pNA</a><br>
<br>
It's called "Mutation and Testing".</blockquote><div><br>Even in the case this is not what Éric was remembering, thanks for sharing it!<br><br>Also in the next video, "Use the stepper! Which is wonderful, because I wrote it." made my day :oD<br>
</div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"> It uses #lang slideshow slides; I'd be glad to share them.<br></blockquote><div><br></div>
<div>Have you written some helpful helpers to draw the figures?<br></div><div>(I think slideshow needs a lib for drawing diagrams, on top of `pin-arrow' and friends.)<br></div></div><br>Laurent<br></div></div>