<div dir="ltr"><div>It works if you specify the types of the variables:</div><div><br></div>let a: String = …<div>if let b: String = …</div><div><br></div><div>Nevin</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Oct 13, 2016 at 5:36 PM, Rick Mann via swift-users <span dir="ltr"><<a href="mailto:swift-users@swift.org" target="_blank">swift-users@swift.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">It seems I can write this:<br>
<br>
extension String<br>
{<br>
public func deleting(prefix inPrefix: String) -> String<br>
public func deleting(prefix inPrefix: String) -> String?<br>
}<br>
<br>
But I was hoping it would do the right thing:<br>
<br>
let a = s.deleting(prefix: "foo")<br>
if let b = s.deleting(prefix: "foo") { }<br>
<br>
But it finds these ambiguous, and I'm not sure how to specify which I want.<br>
<br>
I'm having trouble googling for an answer on this. Some answers around generics, but that doesn't apply in this case.<br>
<span class="HOEnZb"><font color="#888888"><br>
--<br>
Rick Mann<br>
<a href="mailto:rmann@latencyzero.com">rmann@latencyzero.com</a><br>
<br>
<br>
______________________________<wbr>_________________<br>
swift-users mailing list<br>
<a href="mailto:swift-users@swift.org">swift-users@swift.org</a><br>
<a href="https://lists.swift.org/mailman/listinfo/swift-users" rel="noreferrer" target="_blank">https://lists.swift.org/<wbr>mailman/listinfo/swift-users</a><br>
</font></span></blockquote></div><br></div>