Method Is

error.go:100–100

Is reports a match against ErrPermanent so a Permanent error can be detected with errors.Is even before Retry converts it into a RetryError.

(target error)

// Is reports a match against ErrPermanent so a Permanent error can be detected
// with errors.Is even before Retry converts it into a RetryError.
func (e *permanent) Is(target error) bool { return target == ErrPermanent }

// RetryAfterError signals that the operation should be retried after the given
// duration. When an operation returns one (directly or wrapped), Retry waits