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Is it possible to use Escaping callBack/closure in Objective-C?

Cœur
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Steven
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  • Possible duplicate of [Does Objective-C have an equivalent to Swift's @escaping annotation?](https://stackoverflow.com/questions/52879202/does-objective-c-have-an-equivalent-to-swifts-escaping-annotation) – Willeke Oct 29 '19 at 09:45
  • Possible duplicate of [Objective C How to return outer function from inside async inner function](https://stackoverflow.com/questions/52580164/objective-c-how-to-return-outer-function-from-inside-async-inner-function) – Willeke Oct 29 '19 at 09:47
  • It is not duplicate @Willeke, please read again the question and if you know the answer, please write your answer. – Steven Oct 29 '19 at 10:08
  • Possible duplicate of [Implementing a method taking a block to use as callback](https://stackoverflow.com/questions/7180552/implementing-a-method-taking-a-block-to-use-as-callback/7180612) – Willeke Oct 29 '19 at 10:49

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Yes, blocks passed into a function can, by default, escape the function it is passed into, unless the parameter is marked NS_NOESCAPE.

newacct
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