Go Cyclic Iterator

cyclic-iterator.go

package main

import "fmt"

func main() {
	slice := []string{"ena", "dyo"}

	iterator := cyclicIterator(slice)
	for i := 0; i < 10; i++ {
		fmt.Println(iterator())
	}
	fmt.Println(slice)
}

func cyclicIterator(iterable []string) func() string {
	i := 0
	return func() string {
		if i >= len(iterable) {
			i = 0
		}
		item := iterable[i]
		i++
		return item
	}
}