artemnovichkov

import RxSwift

extension ObservableType {
    
    typealias EmptyHandler = () -> Void
    
    func onNext(_ onNext: @escaping (E) -> Void) -> Observable<E> {
        return `do`(onNext: onNext)
    }
    

artemnovichkov

func benchmark(repeatCount: Int = 1, name: String? = nil, closure: () -> Void) {
    let d = CACurrentMediaTime()
    for _ in 0..<repeatCount {
        closure()
    }
    let d1 = CACurrentMediaTime() - d
    print("Benchmark of \(name ?? "closure") took \(d1) seconds")
}

artemnovichkov

#if os(iOS)
    import UIKit
#elseif os(OSX)
    import AppKit
#endif

fileprivate struct ColorComponents {
    
    let first: CGFloat
    let second: CGFloat

artemnovichkov

func &=(lhs: inout Bool, rhs: @autoclosure () -> Bool) {
    lhs = lhs && rhs()
}

infix operator ||=: AssignmentPrecedence

func ||=(lhs: inout Bool, rhs: @autoclosure () -> Bool) {
    lhs = lhs || rhs()
}

artemnovichkov

import UIKit

extension UIView {
    
    func вжух()  {
        setNeedsLayout()
        layoutIfNeeded()
    }
}

artemnovichkov

import UIKit

extension UITableView {
    
    func dequeueReusableCell<T: UITableViewCell>() -> T {
        return dequeueReusableCell(withIdentifier: NSStringFromClass(T.self)) as! T
    }
}

//using: let cell: ExampleTableViewCell = tableView.dequeueReusableCell()

artemnovichkov

import UIKit

extension UIView {
    
    func round(with radius: CGFloat, corners: UIRectCorner) {
        let roundedPath = UIBezierPath(roundedRect: bounds,
                                       byRoundingCorners: corners,
                                       cornerRadii: CGSize(width: radius, height: radius))
        let maskLayer = CAShapeLayer()
        maskLayer.path = roundedPath.cgPath