<div dir="ltr">On Wed, Feb 3, 2016 at 4:35 PM, Dave Abrahams via swift-evolution <span dir="ltr"><<a href="mailto:swift-evolution@swift.org" target="_blank">swift-evolution@swift.org</a>></span> wrote:<br><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I think the semantic requirements on CollectionType's count prevent it<br>
from ever being negative. If they don't, they should.</blockquote><div><br></div><div>Only when you actually try to iterate will it fail. It's useful to have this invalid state where start>end. You might have one thread finding minima and another finding maxima. That's how it is today anyways. Which I think is nice.</div><div><br></div><div>-david</div></div></div></div>