SwiftUI - Лекция 2 (If/let, guard, optionals, SwiftUI)

In this video we continue to get acquainted with Swift and study some basic elements and concepts such as if/else, switch, guard. We will also get to know optionals and methods from the deployment better. And of course we will make a small application using SwiftUI having studied the new thing "@State". Subscribe to my channel and learn about videos faster: https://t.me/iz_ios For contact: https://t.me/ildar_ios Boosty for support: https://boosty.to/ildar_ios Timecodes: 00:00 - Introduction 01:27 - Structures and their fields 03:00 - for each, if/else in Swift 07:00 - Optionals in Swift and ways to unwrap them 11:45 - If let when working with optionals 13:30 - guard in Swift 17:27 - optional chaining in Swift 22:30 - operators ?? and ?: 25:20 - Switch-case in Swift, enum 30:00 - Making a game using SwiftUI "Guess the number that will fall on the dice" 32:20 - Learning about @State and what it is 34:50 - Continuing to create the game UI 42:00 - Implementing the main method of the game rollDice 46:35 - Conclusions and conclusion