Playground with tappable button bound with RxCocoa

TappableButtonInPlaygroundWithRxCocoa.swift

import UIKit
import PlaygroundSupport
import RxSwift
import RxCocoa

let signUpButton = UIButton()
signUpButton.setTitle("Tap me!", for: .normal)
signUpButton.sizeToFit()

let didTapSignUp = PublishSubject<Void>()

signUpButton.rx.tap.subscribe(didTapSignUp)

didTapSignUp.subscribe { _ in
    print("I got tapped!")
}

PlaygroundPage.current.liveView = signUpButton

Medium article: https://medium.com/@alexandrosbaramilis/testing-rxswift-code-in-playgrounds-using-tappable-buttons-bound-with-rxcocoa-b71310ba98e3