3 min readFeb 1, 2026
SwiftHow to Define an Enum
Group related values with enums.
Steps
- Paste the code into a Swift file or playground.
- Run it once to verify the output.
- Adjust the inputs to match your use case.
Copy and paste
import Foundation
enum Direction {
case north
case south
case east
case west
}
let heading = Direction.north
print(heading)Notes
- Keep functions small and focused for reuse.
- Prefer safe APIs like optionals and guards.
