On Apr 2, 2015, at 19:28 , Charles Jenkins <[email protected]> wrote:
>
> I can indeed call attrStr.string.rangeOfCharacterFromSet(). But in typical
> Swift string fashion, the return type is as unfriendly as possible:
> Range<String.Index>? — as if the NSString were a Swift string.
I finally read the whole of what you said here, and I had to run to a
playground to check:
> import Cocoa
>
> var strA = "Hello?, String”
> var strB = "Hello?, String" as NSString
> var strC = "Hello\u{1f650}, String”
> var strD = "Hello\u{1f650}, NSString" as NSString
> var rangeA =
> strA.rangeOfCharacterFromSet(NSCharacterSet.whitespaceCharacterSet()) //
> {Some “7..<8”}
> var rangeB =
> strB.rangeOfCharacterFromSet(NSCharacterSet.whitespaceCharacterSet()) // (7,1)
> var rangeC =
> strC.rangeOfCharacterFromSet(NSCharacterSet.whitespaceCharacterSet()) //
> {Some “8..<9”}
> var rangeD =
> strD.rangeOfCharacterFromSet(NSCharacterSet.whitespaceCharacterSet()) // (8,1)
So, yes, these are NSString indexes all the way, even if the result is packaged
as a Range<String.Index>.
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