Here is my code (run):
package main
import "fmt"
func main() {
var whatever [5]struct{}
for i := range whatever {
fmt.Println(i)
} // part 1
for i := range whatever {
defer func() { fmt.Println(i) }()
} // part 2
for i := range whatever {
defer func(n int) { fmt.Println(n) }(i)
} // part 3
}
Output:
0
1
2
3
4
4
3
2
1
0
4
4
4
4
4
Question: What's the difference between part 2 & part 3? Why part 2 output "44444" instead of "43210"?