C / C++ / MFC

class author
{

private :
    string name;
    string email;
   

public :
    string get_name(){return name;}
    string get_email(){return email;}

    void  set_name(string name){this->name=name;}
    void set_email(string email){this->email=email;}
   

    author(string name,string email)

    {   this->name=name;

        this->email=email;

    }
}

class book
{
  private :
    string title;
    int year;
    author auth;

  public:
     

    string get_title(){return title;}
    int get_year(){return year;}
    

    void  set_title(string title){this->title=title;}
    void set_year(float year){this->year=year;}
    
    book(string title, int year):author(string name,string email)
    {
       this->title=title;
       this->year=year;
      ???????
    }

}

struct [[nodiscard]] Patate
{
    int patate;
};

Patate f1()
{
    return Patate();
};

void main()
{
    f1(); // warning C4834: discarding return value of function with 'nodiscard' attribute.
}

struct Patate
{
    int patate;
};

[[nodiscard]] Patate f1()
{
    return Patate(); 
};

void main()
{
    f1(); // warning C4834: discarding return value of function with 'nodiscard' attribute.
}

$ sudo bash config.guess
x86_64-pc-linux-gnu