Help with code: Swift to Objective-C

Question

Created Sep ’20

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Hi,

Can anyone help translate this code to Objective-C?

Thanks

_let date = ClassName.shared.expirationDateFor("string") ?? Date()

* ClassName is a Singleton

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Answer 1

Claude31 OP

Sep ’20

Is your question about converting ?? ?

If so (https ://en.wikipedia. org/wiki/Nullcoalescingoperator)
In Obj-C, the nil coalescing operator is ?:. It can be used to provide a default for nil references:

Code Block id value = ClassName.shared.expirationDateFor("string") ?: Date();

This is the same as writing

Code Block id value = ClassName.shared.expirationDateFor("string") ? ClassName.shared.expirationDateFor("string") : Date();

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