serhii-londar

import UIKit
public extension UIView{
	
	func setWith(_ width: CGFloat){
		self.widthAnchor.constraint(equalToConstant: width).isActive = true
	}
	
	func setHeight(_ width: CGFloat){
		self.heightAnchor.constraint(equalToConstant: width).isActive = true
	}

serhii-londar

protocol IBConstructible: AnyObject {
    static var nibName: String { get }
    static var bundle: Bundle { get }
}

extension IBConstructible {
    static var nibName: String {
        return String(describing: Self.self)
    }

serhii-londar

@discardableResult
func measure<A>(name: String = "", _ block: () -> A) -> A {
    let startTime = CACurrentMediaTime()
    let result = block()
    let timeElapsed = CACurrentMediaTime() - startTime
    print("Time: \(name) - \(timeElapsed)")
    return result
}

let result = measure { (0..<1_000_000).reduce(0, +) }

serhii-londar

import UIKit

extension UIButton {
    var topConstraints: [NSLayoutConstraint]? {
        return self.superview?.constraints.filter( { ($0.firstItem as? UIButton == self && $0.firstAttribute == .top) || ($0.secondItem as? UIButton == self && $0.secondAttribute == .top) })
    }
    var leftConstraints: [NSLayoutConstraint]? {
        return self.superview?.constraints.filter( { ($0.firstItem as? UIButton == self && $0.firstAttribute == .left) || ($0.secondItem as? UIButton == self && $0.secondAttribute == .left) })
    }
    var rightConstraints: [NSLayoutConstraint]? {

serhii-londar

public protocol NotificationName {
    var name: Notification.Name { get }
}

public extension RawRepresentable where RawValue == String, Self: NotificationName {
    public var name: Notification.Name {
        get {
            return Notification.Name(self.rawValue)

serhii-londar

extension UIWindow {
    
    /// Fix for http://stackoverflow.com/a/27153956/849645
    func set(rootViewController newRootViewController: UIViewController, withTransition transition: CATransition? = nil) {
        
        let previousViewController = rootViewController
        
        if let transition = transition {
            // Add the transition
            layer.add(transition, forKey: kCATransition)

serhii-londar

/// Validate email string
///
/// - parameter email: A String that rappresent an email address
///
/// - returns: A Boolean value indicating whether an email is valid. 
func isValid(_ email: String) -> Bool {
    let emailRegEx = "(?:[a-z0-9!#$%\\&'*+/=?\\^_`{|}~-]+(?:\\.[a-z0-9!#$%\\&'*+/=?\\^_`{|}"+"~-]+)*|\"(?:[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x21\\x23-\\x5b\\x5d-\\"+"x7f]|\\\\[\\x01-\\x09\\x0b\\x0c\\x0e-\\x7f])*\")@(?:(?:[a-z0-9](?:[a-"+"z0-9-]*[a-z0-9])?\\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\\[(?:(?:25[0-5"+"]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-"+"9][0-9]?|[a-z0-9-]*[a-z0-9]:(?:[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x21"+"-\\x5a\\x53-\\x7f]|\\\\[\\x01-\\x09\\x0b\\x0c\\x0e-\\x7f])+)\\])"
    
    let emailTest = NSPredicate(format:"SELF MATCHES[c] %@", emailRegEx)
    return emailTest.evaluate(with: email)

serhii-londar

#!/bin/bash

sudo apt-get install clang libicu-dev libcurl4-openssl-dev lldb git wget unzip -y
wget https://swift.org/builds/swift-4.1-release/ubuntu1604/swift-4.1-RELEASE/swift-4.1-RELEASE-ubuntu16.04.tar.gz
tar zxf swift-4.1*.tar.gz && rm -rf swift-4.1*.tar.gz
sudo mv swift-4.1* /swift-4.1
echo "export PATH=/swift-4.1/usr/bin:\"\${PATH}\"" >> ~/.bashrc
source ~/.bashrc