[swift-users] Nil coalescing operator and closures

[Rudolf Adamkovič]

Hello there!

Today, I stumbled upon the following error:

typealias ClosureType = () -> Void
        
let closure: ClosureType?
let otherClosure: ClosureType = {}
        
let pickClosure = closure ?? otherClosure
// ERROR: binary operator '??' cannot be applied to operands of type 'ClosureType?' and 'ClosureType' (aka '() -> ()')

Is this a bug or a feature?

Thanks!

Rudolf Adamkovic
R+

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