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      Latest reply on Aug 6, 2019 6:39 PM by JetForMe
      JetForMe Level 1 Level 1 (0 points)

        std::optional is more-or-less avialable in Xcode 10.3, with the language dialect set to C++17, but not if the deployment target is less than iOS 12. std::optional is availble, but not value() methods of the class.


        I don't understand why a particular iOS runtime is needed to support something in the C++ standard (template) library.


        We can't give up support for iOS 11 until well after iOS 13 is out.


        I've seen some stuff around setting




        This seems to be defined by Xcode as




        Is there really no way to get full optional support AND target iOS 11.x?