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Swift lessons (27/33)

Swift — Enums

Basic enum

enum Direction {
    case north, south, east, west
}

let dir = Direction.north

Raw values

enum Planet: Int {
    case mercury = 1, venus, earth
}

let earth = Planet.earth.rawValue  // 3

Associated values

enum Barcode {
    case upc(Int)
    case qrCode(String)
}

Mini Practice

  1. Create enum
  2. Use raw values
  3. Add associated values
  4. Practice switch

Up Next

Continue with Extensions - Extension syntax.

Related Topics

ExtensionsOptionalsError HandlingGenerics

Frequently Asked Questions about Enums

What is Enums in Swift?

Enums is a fundamental concept in Swift. This lesson explains it step by step with clear examples, making it easy for beginners to understand.

How do I learn Enums?

Start by reading the explanation above, then try the code examples. Practice by modifying the examples and experimenting with different values. Hands-on practice is the best way to learn Enums.

Why is Enums important in Swift?

Enums is essential for Swift development. Understanding this concept will help you write better code and solve real-world problems more effectively.