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  1. #include <iostream>
  2. #include <cstdint>
  3. using namespace std;
  4.  
  5. class Parent{
  6.     private:
  7.         uint8_t age;
  8.  
  9.         struct HealthInfo {
  10.             uint16_t stepsADay;
  11.             uint8_t levelsADay;
  12.         }; 
  13.         HealthInfo healthInfo;
  14.  
  15.     public:
  16.         int setAge(uint8_t a_age);
  17.         uint8_t getAge();
  18.  
  19.         int setHealthInfo(uint16_t a_stepsADay,uint8_t a_levelsADay);
  20.         HealthInfo getHealthInfo();
  21. };
  22.  
  23.    // omitting (de-)/constructor for readability
  24.    int Parent::setAge(uint8_t a_age){
  25.        this->age = a_age;
  26.        return 0;
  27.    }
  28.    uint8_t Parent::getAge(){
  29.        return this->age;
  30.    }
  31.  
  32.    int Parent::setHealthInfo(uint16_t a_stepsADay,uint8_t a_levelsADay){
  33.        this->healthInfo.stepsADay = a_stepsADay;
  34.        this->healthInfo.levelsADay= a_levelsADay;
  35.        return 0;
  36.    }
  37.    Parent::HealthInfo Parent::getHealthInfo(){
  38.        return this->healthInfo;
  39.    }
  40.  
  41. uint32_t createMessage(Parent *thatParent){
  42.    auto  tmpHealthData=thatParent->getHealthInfo();
  43.  
  44.  // create message to give to doctor
  45.   uint32_t messageToDoctor = (thatParent->getAge() <<24)
  46.                              + (tmpHealthData.stepsADay<<8)
  47.                              + (tmpHealthData.levelsADay);
  48.  return messageToDoctor; 
  49. }
  50.  
  51. int main() {
  52.  Parent papa;  // c++ is not java no Parent x = new Parent() unless you use pointers
  53.  
  54.  papa.setAge(54);
  55.  papa.setHealthInfo(1000,6);
  56.  auto x = papa.getHealthInfo(); 
  57.  cout << x.stepsADay;
  58.  
  59.  // do other stuff ...
  60.  
  61.  uint32_t message= createMessage(&papa);
  62.  // send message ... 
  63.  
  64.  return 0;
  65. }
Success #stdin #stdout 0.01s 5360KB
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https://ideone.com/k1DAVb
language:
C++14 (gcc 8.3)
created:
2 years ago
visibility:
secret

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