Finding index of character in Swift String

It's time to admit defeat... In Objective-C, I could use something like: NSString* str = @"abcdefghi"; [str rangeOfString:@"c"].location; // 2 In Swift, I see something similar: var str = "abcdefghi" str.rangeOfString("c").startIndex ...but that just gives me a String.Index, which I can use to subscript back into the original string, but not extract a location from. FWIW, that String.Index has a p