iOS
● ● ○
Swift 6
Kodebits Day 24: Result Failure Path
May 17 2026
Practice error handling with a short swift challenge.
What is the output?
enum E: Error { case bad }
let r = Result<Int, E>.failure(.bad)
let v = r.map { $0 + 5 }
print(try? v.get())
Try it in the online Swift Playground →
[spoiler title="Solution"]
Answer:
nil
Explanation:
Mapping a failed Result keeps it failed, so try? returns nil.
[/spoiler]