golang recover

1776 단어 golang
package main



import "fmt"



func divideByZero() {

    // Use this deferred function to handle errors.

    defer func() {

        err := recover()

        if err != nil {

            fmt.Println("HERE")

            fmt.Println(err)

            fmt.Println(0)

        }

    }()

    // Cause an error.

    // ... Go will run the defer func above.

    cat := 0

    dog := 10 / cat

    fmt.Println(dog)

}



func main() {

    // Create a divide by zero error and handle it.

    divideByZero()

    fmt.Println("reach")

}

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