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36 lines
1.5 KiB
Swift
36 lines
1.5 KiB
Swift
import Dispatch
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/**
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PromiseKit’s configurable parameters.
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Do not change these after any Promise machinery executes as the configuration object is not thread-safe.
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We would like it to be, but sadly `Swift` does not expose `dispatch_once` et al. which is what we used to use in order to make the configuration immutable once first used.
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*/
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public struct PMKConfiguration {
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/// The default queues that promises handlers dispatch to
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public var Q: (map: DispatchQueue?, return: DispatchQueue?) = (map: DispatchQueue.main, return: DispatchQueue.main)
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/// The default catch-policy for all `catch` and `resolve`
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public var catchPolicy = CatchPolicy.allErrorsExceptCancellation
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/// The closure used to log PromiseKit events.
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/// Not thread safe; change before processing any promises.
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/// - Note: The default handler calls `print()`
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public var logHandler: (LogEvent) -> Void = { event in
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switch event {
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case .waitOnMainThread:
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print("PromiseKit: warning: `wait()` called on main thread!")
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case .pendingPromiseDeallocated:
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print("PromiseKit: warning: pending promise deallocated")
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case .pendingGuaranteeDeallocated:
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print("PromiseKit: warning: pending guarantee deallocated")
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case .cauterized (let error):
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print("PromiseKit:cauterized-error: \(error)")
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}
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}
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}
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/// Modify this as soon as possible in your application’s lifetime
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public var conf = PMKConfiguration()
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