Go Recover

by Online Tutorials Library July 14, 2022

Go Recover

Recover is used to regain control of a program from panic or error-condition. It stops the terminating sequence and resumes the normal execution. It is called from the deferred function. It retrieves the error value passed through the call of panic. Normally, it returns nil which has no other effect.

Go recover() Example

 package main import (    “fmt” ) func main() {    fmt.Println(SaveDivide(10, 0))    fmt.Println(SaveDivide(10, 10)) } func SaveDivide(num1, num2 int) int {    defer func() {       fmt.Println(recover())    }()    quotient := num1 / num2    return quotient } 

Output:

runtime error: integer divide by zero 0 <nil> 1

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