basic constructor cpp code example

Example 1: c++ struct constructor

struct TestStruct {
        int id;
        TestStruct() : id(42)
        {
        }
};

Example 2: c++ class constructor

class MyClass {
   public:
      MyClass();  // This is the constructor
   private:
      int someInt;
};

MyClass::MyClass(void) {
   someInt = 1;
}