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Re:Apple is patenting Swift features by pnw_hazor on Friday January 25, 2019 @04:25PM (#19002625)
Take a look at the claims. The patent does not claim option chaining. It claims a few ways to implement a system that may support option chaining.
Re:Apple is patenting Swift features by kazinator on Friday January 25, 2019 @06:54PM (#19003742)
If whatever language implementation you are using implements that, and infringes, then you infringe that by running programs in that language. All unlicensed users of anything emanating from the patent infringe on it.