<div style="white-space:pre-wrap">+1 to this. I've said this before, Amir, but please take the time to actually write a considered proposal instead of increasing the already high traffic of this list with a couple words and a code sample.</div><br><div class="gmail_quote"><div dir="ltr">On Mon, Feb 22, 2016 at 7:11 PM Brent Royal-Gordon via swift-evolution <<a href="mailto:swift-evolution@swift.org">swift-evolution@swift.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">> For example:<br>
><br>
> enum Color {<br>
> ...<br>
> }<br>
><br>
> enum Vehicle {<br>
> case Car(Color)<br>
> case Motorcycle(Color)<br>
> ...<br>
> }<br>
><br>
> switch vehicle {<br>
> case _(.Red): … // pattern match based on associated value only<br>
> }<br>
<br>
As usual, Amir:<br>
<br>
1. Why do you want this feature?<br>
<br>
2. What's actually wrong with the status quo?<br>
<br>
3. Can you talk about a non-toy example you've encountered where it would have made your code better?<br>
<br>
4. Can you talk about the proposed design in a little more detail? Are there weird edge cases, and how would you handle them? (In the case of this feature, here's one I see: Suppose you have two different associated value types but they both have a .Red case. What happens then?)<br>
<br>
A half-dozen-word subject line and a code example simply aren't enough to evaluate a proposal. Without knowing exactly what you're proposing and why you think it's a good idea, we can't really evaluate it properly.<br>
<br>
--<br>
Brent Royal-Gordon<br>
Architechies<br>
<br>
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</blockquote></div>