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How to convert error to panic in Golang?

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Release: 2024-06-04 10:01:27
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Yes, in Go, you can use the panic() function to convert an error into a panic, thus terminating the program immediately and returning the error stack.

如何在 Golang 中将错误转换为 panic?

How to convert error to panic in Golang?

In Golang, you can use the panic() function to convert errors into panics. When a panic occurs, the program terminates immediately and returns the error stack.

The following is an example of how to convert errors to panic in Golang:

package main

import (
    "fmt"
    "errors"
)

func main() {
    err := errors.New("some error")
    panic(err)
}
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Output:

panic: some error

goroutine 1 [running]:
main.main()
        /Users/username/go/src/github.com/example/app/main.go:12 +0x3f
exit status 2
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Practical case

The following is a practical example of converting errors into panic:

package main

import (
    "fmt"
    "errors"
)

func divide(a, b int) (int, error) {
    if b == 0 {
        return 0, errors.New("division by zero")
    }
    return a / b, nil
}

func main() {
    result, err := divide(10, 0)
    if err != nil {
        panic(err)
    }
    fmt.Println(result)
}
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Output:

panic: division by zero

goroutine 1 [running]:
main.main()
        /Users/username/go/src/github.com/example/app/main.go:23 +0x3f
exit status 2
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