merge method

Implementation

ZeroTextfieldStyle merge(ZeroTextfieldStyle? other) {
  if (other == null) return this;

  return ZeroTextfieldStyle(
    inputDecorationType: other.inputDecorationType,
    textfieldSize: other.textfieldSize,
    enabled: other.enabled,
    error: other.error,
    focusedBorderColor: other.focusedBorderColor,
    focusedColor: other.focusedColor,
    fillColor: other.fillColor,
  );
}