0001    //
0002    //  DispatchGroup.swift
0003    //  DispatchKit <https://github.com/anpol/DispatchKit>
0004    //
0005    //  Copyright (c) 2014 Andrei Polushin. All rights reserved.
0006    //
0007    
0008    import Foundation
0009    
0010    public struct DispatchGroup
DispatchQueue.swift:123
    public func async(group: DispatchGroup, block: dispatch_block_t) {: DispatchObject, DispatchEnterable, DispatchWaitable {
0011    
0012        @available(*, unavailable, renamed="rawValue")
0013        public var group: dispatch_group_t {
0014            return rawValue
0015        }
0016    
0017        @available(*, unavailable, renamed="DispatchGroup(rawValue:)")
0018        public init(raw group: dispatch_group_t) {
0019            self.rawValue = group
0020        }
0021    
0022        public let rawValue
DispatchGroup.swift:25
        self.rawValue = rawValue
DispatchGroup.swift:33
        self.rawValue = rawValue
DispatchGroup.swift:38
        dispatch_group_enter(rawValue)
DispatchGroup.swift:42
        dispatch_group_leave(rawValue)
DispatchGroup.swift:52
        return dispatch_group_wait(rawValue, timeout.rawValue)
DispatchGroup.swift:56
        dispatch_group_notify(rawValue, queue.rawValue, block)
DispatchQueue.swift:124
        dispatch_group_async(group.rawValue, rawValue, block): dispatch_group_t
0023    
0024        public init(rawValue: dispatch_group_t) {
0025            self.rawValue = rawValue
0026        }
0027    
0028        public init!() {
0029            guard let rawValue = dispatch_group_create() else {
0030                return nil
0031            }
0032    
0033            self.rawValue = rawValue
0034        }
0035    
0036    
0037        public func enter() {
0038            dispatch_group_enter(rawValue)
0039        }
0040    
0041        public func leave() {
0042            dispatch_group_leave(rawValue)
0043        }
0044    
0045    
0046        public func wait() -> Int {
0047            // default argument is not permitted in protocol method in #swift
0048            return wait(.Forever)
0049        }
0050    
0051        public func wait
DispatchGroup.swift:48
        return wait(.Forever)(timeout: DispatchTime) -> Int {
0052            return dispatch_group_wait(rawValue, timeout.rawValue)
0053        }
0054    
0055        public func notify(queue: DispatchQueue, block: dispatch_block_t) {
0056            dispatch_group_notify(rawValue, queue.rawValue, block)
0057        }
0058    
0059    
0060        // See also DispatchQueue.async(group,block)
0061    
0062    }
0063