package main

import (
	stderrors "errors"
	"fmt"
	"github.com/manmanxing/errors"
)

func main() {
	err := test3()
	if err != nil {
		fmt.Println(errors.String(err))
		return
	}
}

func test1() error {
	return errors.Wrap(stderrors.New("original message"), "test1 wrap message")
}

func test2() error {
	err := test1()
	if err != nil {
		return err
	}
	return nil
}

func test3() error {
	err := test2()
	if err != nil {
		return err
	}
	return nil
}