Method Is

jserrors.go:226–237

Is matches against an APIError.

(err error)

// Is matches against an APIError.
func (e *APIError) Is(err error) bool {
	if e == nil {
		return false
	}
	// Extract internal APIError to match against.
	var aerr *APIError
	ok := errors.As(err, &aerr)
	if !ok {
		return ok
	}
	return e.ErrorCode == aerr.ErrorCode
}

// JetStreamError is an error result that happens when using JetStream.
// In case of client-side error, `APIError()` returns nil