Stdle #39 · iteration · 2026-07-15

What does this Go snippet output?

A past puzzle — fully playable. 4 attempts, hints on wrong guesses.

1package main
2 
3import "fmt"
4 
5func main() {
6	n := 2
7	switch n {
8	case 1:
9		fmt.Println("one")
10	case 2:
11		fmt.Println("two")
12		fallthrough
13	case 3:
14		fmt.Println("three")
15		fallthrough
16	case 4:
17		fmt.Println("four")
18	}
19}

Iteration

What does this Go snippet output?

Answer & explanation