class MyRefType {
private:
    MyRefType & operator=(const MyRefType &);
    MyRefType(const MyRefType &);
public:
    MyRefType () {}
};



class my_class {
    unique_ptr<BigHugeData> data;
  public:
    my_class( my_class&& other )   // move construction
      : data( move( other.data ) ) { }
    my_class& operator=( my_class&& other )   // move assignment
    {
      data = move( other.data );
      return *this;
    }
    // ...
    void method() {   // check (if appropriate)
      if ( !data )
        throw std::runtime_error("RUNTIME ERROR: Insufficient resources!");
    }
};

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  my_class Data1;
  my_class Data2;
  Data1 = Data2;

  Serial.print("Data 1:=");
  Serial.println(Data1);
  Serial.print("Data 2:=");
  Serial.println(Data2);

}

void loop() {
  // put your main code here, to run repeatedly:

}