> Swift's strings were very deliberately designed this way. It's tougher to > get off the ground, sure, but it's better in the long run. > > It probably is, but the correct idiom is not very well known, and sadly most tutorials and unofficial guides are still teaching dumb ways of subscripting into strings (or worse, falling back into NSString methods without mentioning so) so the end result is people writing less performant code rather than more performant code.
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