Golang loops: for, for-in, for-each, for-of, range, infinity, while, do-while, repeat-until

loops.go

package main

import "fmt"

func main() {
	var directions = [...]string{"up", "right", "down", "left"}

	for i := 0; i < len(directions); i++ {
		fmt.Printf("for loop [%d]%s\n", i, directions[i])
	}

	for i := range directions {
		fmt.Printf("for-in loop [%d]%s\n", i, directions[i])
	}

	for i, v := range directions {
		fmt.Printf("for-each loop [%d]%s\n", i, v)
	}

	for _, v := range directions {
		fmt.Printf("for-of loop [ ]%s\n", v)
	}

	for range directions {
		fmt.Println("range loop", 1)
	}

	for {
		fmt.Println("infinity loop", 1)
		break
	}

	var n int

	n = 1
	for n <= 3 {
		fmt.Println("while loop", n)
		n++
	}

	n = 1
	for do := true; do; do = n <= 3 {
		fmt.Println("do-while loop", n)
		n++
	}

	n = 1
	for end := false; !end; end = n > 3 {
		fmt.Println("repeat-until loop", n)
		n++
	}
}

output.txt

for loop [0]up
for loop [1]right
for loop [2]down
for loop [3]left
for-in loop [0]up
for-in loop [1]right
for-in loop [2]down
for-in loop [3]left
for-each loop [0]up
for-each loop [1]right
for-each loop [2]down
for-each loop [3]left
for-of loop [ ]up
for-of loop [ ]right
for-of loop [ ]down
for-of loop [ ]left
range loop 1
range loop 1
range loop 1
range loop 1
infinity loop 1
while loop 1
while loop 2
while loop 3
do-while loop 1
do-while loop 2
do-while loop 3
repeat-until loop 1
repeat-until loop 2
repeat-until loop 3