for i, elt := range e.Elements {
		v, err := elt.evalNode(r, tableAlias)
		if err != nil {
			return nil, err
		}
		res[i] = *v
	}
	return FromArray(res), nil
}

const floatCmpTolerance = 0.000001

func (e *In) evalInNode(r Record, lhs *Value, tableAlias string) (*Value, error) {
	// Compare two values in terms of in-ness.
	var cmp func(a, b Value) bool
	cmp = func(a, b Value) bool {
		// Convert if needed.

  // Load the saved model.
  const string saved_model_dir = tensorflow::GetDataDependencyFilepath(
      tensorflow::io::JoinPath("tensorflow", "cc", "saved_model", "testdata",
                               "half_plus_two", "00000123"));
  TF_SessionOptions* opt = TF_NewSessionOptions();
  TF_Buffer* run_options = TF_NewBufferFromString("", 0);
  TF_Buffer* metagraph = TF_NewBuffer();
  TF_Status* s = TF_NewStatus();