When loop meets a condition start the loop over again.

StartOverLoop.go

package main

import "fmt"

func main() {
	slice := []int{1, 2, 3, 4, 5}

	var count int

	for i := 0; i < len(slice); i++ {
		fmt.Println(slice[i])

		count++
		if count == 2 {
			i = -1 // restart from the beginning
		}
	}
}