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cannot invoke 'substringToIndex' with an argument list of type '(Int)'
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cannot invoke 'substringToIndex' with an argument list of type '(Int)'


  • Subject: cannot invoke 'substringToIndex' with an argument list of type '(Int)'
  • From: Rick Mann <email@hidden>
  • Date: Tue, 07 Jul 2015 00:02:17 -0700

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
email@hidden


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