iOS
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Swift 6
Kodebits Day 17: Closure Reference Capture
May 4 2026
Practice memory management with a short swift challenge.
What is the output?
var n = 5
let f = { print(n) }
n = 14
f()
Try it in the online Swift Playground →
[spoiler title="Solution"]
Answer:
14
Explanation:
Closures capture variables by reference by default.
[/spoiler]