func Errorf(format string, a ...interface{}) error {
	e := fmt.Errorf(format, a...)
	ee := Error{}
	ee.msg = e.Error()
	ee.cause = errors.Unwrap(e)
	return ee
}

// Unwrap the internal error.
func (e Error) Unwrap() error { return e.cause }

// Error 'error' compatible method.
func (e Error) Error() string {
	if e.msg == "" {
		return "crypto: cause <nil>"
	}
	return e.msg
}

var (

package nodeagent

import (
	"errors"
	"fmt"
)

var ErrPartialAdd = errors.New("partial add error")

type PartialAddError struct {
	inner error
}

func (e *PartialAddError) Error() string {
	return fmt.Sprintf("%s: %v", ErrPartialAdd.Error(), e.inner)
}

func (e *PartialAddError) Unwrap() []error {
	return []error{ErrPartialAdd, e.inner}
}

Aditya Manthramurthy <******@****.***> 1709575556 -0800

package tests_test

import (
	"errors"
	"testing"

	"gorm.io/gorm"
	"gorm.io/gorm/utils/tests"
)

func TestDialectorWithErrorTranslatorSupport(t *testing.T) {
	// it shouldn't translate error when the TranslateError flag is false
	translatedErr := errors.New("translated error")
	untranslatedErr := errors.New("some random error")
	db, _ := gorm.Open(tests.DummyDialector{TranslatedErr: translatedErr})

	err := db.AddError(untranslatedErr)

Os status codes na faixa dos 400 significam que houve um erro por parte do cliente.

Você se lembra de todos aqueles erros (e piadas) a respeito do "**404 Not Found**"?

## Use o `HTTPException`

Para retornar ao cliente *responses* HTTP com erros, use o `HTTPException`.

### Import `HTTPException`

```Python hl_lines="1"
{!../../../docs_src/handling_errors/tutorial001.py!}
```

type SizeTooLarge struct {
	Want int64
	Got  int64
}

func (e SizeTooLarge) Error() string {
	return fmt.Sprintf("Size large: got %d, want %d", e.Got, e.Want)
}

// SizeMismatch error size mismatch
type SizeMismatch struct {
	Want int64
	Got  int64
}

func (e SizeMismatch) Error() string {
	return fmt.Sprintf("Size mismatch: got %d, want %d", e.Got, e.Want)
}

		statusCode: 400,
		cause:      err,
	}
}

func errColumnTooLong(err error) *s3Error {
	return &s3Error{
		code:       "ColumnTooLong",
		message:    "The length of a column in the result is greater than maxCharsPerColumn of 1 MB.",
		statusCode: 400,
		cause:      err,
	}
}

func errOverMaxColumn(err error) *s3Error {
	return &s3Error{
		code:       "OverMaxColumn",

// error returned when temporary account is not found
var errNoSuchTempAccount = errors.New("Specified temporary account does not exist")

// error returned in IAM subsystem when an account doesn't exist.
var errNoSuchAccount = errors.New("Specified account does not exist")

// error returned in IAM subsystem when groups doesn't exist.

	return "Object name invalid: " + e.Bucket + "/" + e.Object
}

// Error returns string an error formatted as the given text.
func (e ObjectNameTooLong) Error() string {
	return "Object name too long: " + e.Bucket + "/" + e.Object
}

// Error returns string an error formatted as the given text.
func (e ObjectNamePrefixAsSlash) Error() string {

)

// writeSTSErrorResponse writes error headers
func writeSTSErrorResponse(ctx context.Context, w http.ResponseWriter, errCode STSErrorCode, err error) {
	stsErr := stsErrCodes.ToSTSErr(errCode)

	// Generate error response.
	stsErrorResponse := STSErrorResponse{}
	stsErrorResponse.Error.Code = stsErr.Code
	stsErrorResponse.RequestID = w.Header().Get(xhttp.AmzRequestID)
	stsErrorResponse.Error.Message = stsErr.Description
	if err != nil {