How to Use Nil Coalescing

Steps

1. Paste the code into a Swift file or playground.
2. Run it once to verify the output.
3. Adjust the inputs to match your use case.

Copy and paste

import Foundation

let name: String? = nil
let displayName = name ?? "Guest"

print(displayName)

Notes

• Keep functions small and focused for reuse.
• Prefer safe APIs like optionals and guards.