You should file a documentation bug. The signature is actually:
func substringFromIndex(index: String.Index) -> String
So what you really want I believe is:
s = s.substringToIndex(advance(s.endIndex, -1))
On Tue, Jul 7, 2015 at 2:02 AM, Rick Mann <rm...@latencyzero.com> wrote:
> What? The docs say that substringToIndex is declared like this:
>
> func substringToIndex(_ to: Int) -> String
>
> So, why can't I call that here:
>
> extension
> NSURL
> {
> func
> normalizedURLByAppendingPathComponent(var inComponent : String)
> -> NSURL
> {
> var s = self.absoluteString;
> if s.hasSuffix("/")
> {
> s = s.substringToIndex(s.characters.count - 1)
> }
>
> if inComponent.hasPrefix("/")
> {
> inComponent = inComponent.substringFromIndex(1);
> }
>
> s = s.stringByAppendingString("/");
> s = s.stringByAppendingString(inComponent);
>
> let u = NSURL(string: s);
> return u;
> }
> }
>
>
> --
> Rick Mann
> rm...@latencyzero.com
>
>
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