DispatchQueue

class DispatchQueue : DispatchObject


                    
                    
                    asyncCC(_:group:qos:flags:cancelValue:execute:)

Asynchronously executes the provided closure on a dispatch queue.

let context = DispatchQueue.global().asyncCC(.promise) {
    try md5(input)
}.done { md5 in
    //…
}.cancelContext

//…

context.cancel()

Declaration

Swift

@available(OSX 10.10, iOS 2.0, tvOS 10.0, watchOS 2.0, *)
final func asyncCC<T>(_: PMKNamespacer, group: DispatchGroup? = nil, qos: DispatchQoS = .default, flags: DispatchWorkItemFlags = [], cancelValue: T? = nil, execute body: @escaping () -> T) -> CancellableGuarantee<T>

Parameters

`cancelValue`	The value to use if the CancellableGuarantee is cancelled.
`body`	The closure that resolves this promise.

Return Value

A new Guarantee resolved by the result of the provided closure.

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                    asyncCC(_:group:qos:flags:cancelValue:execute:)

Asynchronously executes the provided closure on a dispatch queue.

let context = DispatchQueue.global().asyncCC(.promise) {
    try md5(input)
}.done { md5 in
    //…
}.cancelContext

//…

context.cancel()

Declaration

Swift

@available(OSX 10.10, iOS 8.0, tvOS 9.0, watchOS 2.0, *)
final func asyncCC<T>(_: PMKNamespacer, group: DispatchGroup? = nil, qos: DispatchQoS = .default, flags: DispatchWorkItemFlags = [], cancelValue: T? = nil, execute body: @escaping () throws -> T) -> CancellablePromise<T>

Parameters

`cancelValue`	No-op – workaround for compiler problem, can get ‘ambiguous use of asynCC’ error otherwise
`body`	The closure that resolves this promise.

Return Value

A new Promise resolved by the result of the provided closure.

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