Swift - which types to use? NSString or String

Question

With the introduction of Swift I\'ve been trying to get my head round the new language

I\'m an iOS developer and would use types such as NSString, NSInteger, N

Answer 1

Swift 4 update

String gets revisions in swift 4. Now you can directly call count on it and it consider grapheme clusters as 1 piece, like an emoji. NSString is not updated and is counting it in another way.

var nsstring: NSString = "