//
//  DispatchGroup+Extensions.swift
//  CapCollector
//
//  Created by iMac on 13.01.21.
//  Copyright © 2021 CH. All rights reserved.
//

import Foundation

extension DispatchGroup {
    
    typealias AsyncSuccessCallback = (Bool) -> Void
    
    static func singleTask(timeout: TimeInterval = 30, _ block: (@escaping AsyncSuccessCallback) -> Void) -> Bool {
        let group = DispatchGroup()
        group.enter()
        var result = true
        block { success in
            result = success
            group.leave()
        }
        guard group.wait(timeout: .now() + timeout) == .success else {
            return false
        }
        return result
    }
}