[stdlib/Foundation] Swift 3 backward compatibility hack #10970
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added 2 commits
July 14, 2017 15:30
Since samePosition(in:) now unconditionally returns optionals, String.UTF16View.Index.distance(to: String.UTF16View.Index) must accept an optional to keep some code working. Fixes <rdar://33307780>.
Otherwise, the result would have been an infinite recursion.
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Since samePosition(in:) now unconditionally returns optionals,
String.UTF16View.Index.distance(to: String.UTF16View.Index) must accept an
optional to keep some code working.
Fixes rdar://33307780.