go-multierrorサンプル

multierrorsample.go

package main

import (
	"fmt"
	"time"

	"github.com/hashicorp/go-multierror"
)

func main() {
	var err error = nil
	// var err *multierror.Error

	var t *time.Time

	fmt.Println("***** TIME *****", t)

	err = multierror.Append(err, fmt.Errorf("Hello, world."))
	err = multierror.Append(err, fmt.Errorf("Hello, world."))
	err = multierror.Append(err, fmt.Errorf("Hello, world."))

	fmt.Println("*****", err.Error())


	// var err2 error = nil
	var err2 *multierror.Error
	err2 = multierror.Append(err2, nil)

	fmt.Println(err2.ErrorOrNil())


	err3 := multierror.Append(nil, nil)
	fmt.Println(err3.ErrorOrNil())
}

***** TIME *****
***** 3 errors occurred:

• Hello, world.
• Hello, world.
• Hello, world.