Method Is

core/errgroup/errgroup.go:113–129

Is reports whether the "err" is an *Error.

(err error)

// Is reports whether the "err" is an *Error.
func (e *Error) Is(err error) bool {
	if err == nil {
		return false
	}

	ok := errors.Is(e.Err, err)
	if !ok {
		te, ok := err.(*Error)
		if !ok {
			return false
		}

		return errors.Is(e.Err, te.Err)
	}

	return ok
}

// As reports whether the "target" can be used as &Error{target.Type: ?}.
func (e *Error) As(target interface{}) bool {