How do I send an error to a PassthroughSubject?

Question

let myPassthrough = PassthroughSubject<String, Error>()

I know I can send a value to a passthrough subject using send:

myPassthrough.send("abc")

How do I send a failure?

I tried:

myPassthrough.send(Fail(error: error))
myPassthrough.send(completion: Fail(error: error))
myPassthrough.send(completion: Just(error))
myPassthrough.send(completion: error)

None of them compile

score 46 · Accepted Answer · answered Jul 18 '20 at 18:43

46

Looks like Subscribers.Completion is an enum, so this works:

myPassthrough.send(completion: .failure(error))

answered Jul 18 '20 at 18:43

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How do I send an error to a PassthroughSubject?

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