CodingMeSwiftly

import UIKit
import QuartzCore

//MARK: - NSCopying
extension CAMediaTimingFunction: NSCopying {
  public func copy(with zone: NSZone? = nil) -> Any {
    let c1 = controlPoint1
    let c2 = controlPoint2
    
    return CAMediaTimingFunction(controlPoints: Float(c1.x), Float(c1.y), Float(c2.x), Float(c2.y))

CodingMeSwiftly

import UIKit

extension UIView {
  struct AnimationContext {
    public let duration: TimeInterval
    public let timingParameters: UITimingCurveProvider?
  }
}

extension UIView {

CodingMeSwiftly

extension UIEdgeInsets {
  var horizontalSum: CGFloat {
    return left + right
  }
  
  var verticalSum: CGFloat {
    return top + bottom
  }
}

CodingMeSwiftly

import UIKit

extension UIImage {
  func tinted(with tintColor: UIColor) -> UIImage {
    guard let cgImage = cgImage else { return self }
    
    UIGraphicsBeginImageContextWithOptions(size, false, scale)
    defer { UIGraphicsEndImageContext() }
    
    guard let context = UIGraphicsGetCurrentContext() else { return self }