<div dir="ltr">Would love a way of extending an existing struct as a new type but it not being related to the struct it extends.<div><br></div><div>Sort of like a mixin but for structs, so I could have:</div><div><br></div><div>struct Object {</div><div>let identifier: String</div><div>}</div><div><br></div><div>struct User: Object {</div><div><br></div><div>}</div><div><br></div><div>struct Tree: Object {</div><div>}</div><div><br></div><div>The last two structs get the identifier property "mixed" in but are unique types :)</div></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr">
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<br><div class="gmail_quote">On Thu, Mar 24, 2016 at 2:16 PM, Tino Heth via swift-evolution <span dir="ltr"><<a href="mailto:swift-evolution@swift.org" target="_blank">swift-evolution@swift.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class=""><br>
> Could we accomplish something similar to `newtype` by making the `typealias` declaration more powerful?<br>
</span>It's the first thing I tried, but afair someone from the Core Team opposed extending typealias - and I had to agree that an "alias" should be just a synonym.<br>
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