[Go] Panic recover 하기

package recovery

import (
    "errors"
    "fmt"
)

func panicRecover() {
    defer func() {
        r := recover()
        fmt.Println("Recover panic: ", r)
    }()
    panic(errors.New("something is wrong..."))
    // unreachable
    // fmt.Println("panicRecover() is done.")
}

func RecoveryMain() {
    fmt.Println("START!")
    panicRecover()
    fmt.Print("RecoveryMain() is done.")
}

/* 
START!
Recover panic:  something is wrong...
RecoveryMain() is done.
*/