StackView playground

import UIKit
import PlaygroundSupport

class MyViewController : UIViewController {
    override func loadView() {
        let view = UIView()
        view.backgroundColor = .white
        self.view = view
        setupStackView()
    }
    
    func setupStackView() {
        let view = UIView(frame: CGRect(x: 50, y: 50, width: 300, height: 200))
        view.backgroundColor = .gray
        self.view.addSubview(view)
        
        let hStackView = UIStackView()
        hStackView.translatesAutoresizingMaskIntoConstraints = false
        hStackView.axis = .horizontal
        hStackView.distribution = .equalSpacing
        hStackView.frame = view.bounds
        hStackView.spacing = 10
        
        view.addSubview(hStackView)
        
        hStackView.leftAnchor.constraint(equalTo: view.leftAnchor, constant: 40).isActive = true
        hStackView.topAnchor.constraint(equalTo: view.topAnchor, constant: 40).isActive = true
        
        let squareContainer = UIView(frame: CGRect(x: 0, y: 0, width: 40, height: 40))
        squareContainer.translatesAutoresizingMaskIntoConstraints = false
        squareContainer.backgroundColor = .green
//        squareContainer.widthAnchor.constraint(equalToConstant: 40)
        
        let square = UIView(frame: CGRect(x: 0, y: 0, width: 40, height: 40))
        square.backgroundColor = .brown
        square.heightAnchor.constraint(equalToConstant: 40).isActive = true
        square.widthAnchor.constraint(equalToConstant: 40).isActive = true
        squareContainer.addSubview(square)
        square.topAnchor.constraint(equalTo: squareContainer.topAnchor).isActive = true
        square.leftAnchor.constraint(equalTo: squareContainer.leftAnchor).isActive = true
        square.rightAnchor.constraint(equalTo: squareContainer.rightAnchor).isActive = true
        hStackView.addArrangedSubview(squareContainer)
        
        let stackView = UIStackView()
        stackView.axis = .vertical
        stackView.distribution = .equalSpacing
        stackView.spacing = 10
        stackView.setContentHuggingPriority(.defaultHigh, for: .vertical)
        stackView.setContentCompressionResistancePriority(.defaultHigh, for: .vertical)
        
        hStackView.addArrangedSubview(stackView)
        
        
        let backgroundView = UIView()
        backgroundView.translatesAutoresizingMaskIntoConstraints = false
        backgroundView.backgroundColor = .yellow
        view.addSubview(backgroundView)
        backgroundView.leftAnchor.constraint(equalTo: hStackView.leftAnchor, constant: -4).isActive = true
        backgroundView.rightAnchor.constraint(equalTo: hStackView.rightAnchor, constant: 4).isActive = true
        backgroundView.topAnchor.constraint(equalTo: hStackView.topAnchor, constant: -4).isActive = true
        backgroundView.bottomAnchor.constraint(equalTo: hStackView.bottomAnchor, constant: 4).isActive = true
        
        view.bringSubview(toFront: hStackView)
        
        let grayBackgroundView = UIView()
        grayBackgroundView.translatesAutoresizingMaskIntoConstraints = false
        grayBackgroundView.backgroundColor = .gray
        view.addSubview(grayBackgroundView)
        view.bringSubview(toFront: backgroundView)
        view.bringSubview(toFront: grayBackgroundView)
        view.bringSubview(toFront: hStackView)
        grayBackgroundView.leftAnchor.constraint(equalTo: stackView.leftAnchor, constant: -2).isActive = true
        grayBackgroundView.rightAnchor.constraint(equalTo: stackView.rightAnchor, constant: 2).isActive = true
        grayBackgroundView.topAnchor.constraint(equalTo: stackView.topAnchor, constant: -2).isActive = true
        grayBackgroundView.bottomAnchor.constraint(equalTo: stackView.bottomAnchor, constant: 2).isActive = true
        
        
        let label1 = UILabel()
        label1.setContentHuggingPriority(.defaultHigh, for: .vertical)
        label1.backgroundColor = .orange
        label1.text = "111"
        stackView.addArrangedSubview(label1)
        
        let label2 = UILabel()
        label2.setContentHuggingPriority(.defaultHigh, for: .vertical)
        label2.setContentCompressionResistancePriority(.defaultHigh, for: .vertical)
        label2.backgroundColor = .red
        label2.text = "222 444 555"
        stackView.addArrangedSubview(label2)
        
        let label3 = UILabel()
        label3.setContentHuggingPriority(.defaultHigh, for: .vertical)
        label3.numberOfLines = 0
        label3.backgroundColor = .green
        label3.text = "333\n333"
        stackView.addArrangedSubview(label3)
        
        let receiptsView = UIView(frame: CGRect(x: 0, y: 100, width: 50, height: 15))
        receiptsView.translatesAutoresizingMaskIntoConstraints = false
        receiptsView.backgroundColor = .white
        view.addSubview(receiptsView)
        receiptsView.widthAnchor.constraint(equalToConstant: 50).isActive = true
        receiptsView.heightAnchor.constraint(equalToConstant: 15).isActive = true
        receiptsView.leftAnchor.constraint(equalTo: stackView.leftAnchor).isActive = true
        receiptsView.topAnchor.constraint(equalTo: stackView.bottomAnchor, constant: 10).isActive = true
        
    }
}
// Present the view controller in the Live View window
PlaygroundPage.current.liveView = MyViewController()