Recover (and re-panic)

---

examples/recover/recover.go

package main

import (
    "fmt"
)

func main() {
    fmt.Println("Before")
    fmt.Println()

    div(4, 2)
    fmt.Println()
    div(4, 0)

    fmt.Println()
    fmt.Println("After")
}

func div(a, b int) {
    fmt.Println("Start")

    defer func() {
        if err := recover(); err != nil {
            fmt.Printf("Error: %v\n", err)
            //log.Print("Error: ", err)
            //panic(err)
        }
    }()
    res := a / b
    fmt.Println(res)

    fmt.Println("End")
}

Before

Start
2
End

Start
Error: runtime error: integer divide by zero

After