Class
PromiseFinalizer
public class PromiseFinalizer<P: Publisher, S: Scheduler>
This class helps provide a UX similar to using PromiseKit promises, but with Combine Publishers.
Methods
`catch`(_:)
@discardableResult
public func `catch`(_ handler: @escaping (P.Failure) -> Void) -> PromiseFinalizer<P, S>
Attach a closure to handle the error arising from a publisher. This closure will run on DispatchQueue.main
Parameters
Name | Type | Description |
---|---|---|
handler | @escaping (P.Failure) -> Void |
the closure to execute on failure |
Returns
PromiseFinalizer
that can receive a finally
block
cauterize()
public func cauterize()
Deliberately ends the future chain, swallowing any errors along the way.
finally(_:)
public func finally(_ handler: @escaping () -> Void)
Use this method to execute a closure after the chain has completed
Parameters
Name | Type | Description |
---|---|---|
handler | @escaping () -> Void |
The closure to execute after the chain has completed |