recover_panic.go

package main

import "fmt"

var res int

func main() {
	res = -1
	ch := make(chan bool)
	go divide(ch, 10, 0)

	val := <-ch
	if val {
		fmt.Println(res)
	} else {
		fmt.Println("something wrong")
	}
}

func divide(ch chan bool, a, b int) {
	defer func() {
		if err := recover(); err != nil {
			fmt.Println("panic occured")
			ch <- false
		}
		ch <- true
	}()
	res = (a / b)
}