The code below contains five (5) syntactic errors under C++17 standard (errors that are caught by a compiler or generate crashes/undefined behaviour at runtime).

01. // A.h 02. #ifndef A_H 03. #define A_H 04. 05. struct A 06. { 07. public: 08. double m_val; 09. public: 10. A operator+=(const A& other) 11. { 12. this->m_val += other.m_val; 13. return *this; 14. } 15. double getValue() const { return m_val; } 16. }; 17. 18. decltype(A().getValue()) operator+=(double& val, const A& other); 19. 20. // "data" is an array of "N" elements of type "T" 21. template 22. T process(const T* data) 23. { 24. T sum{}; 25. for (const auto& elem : data) 26. sum += elem; 27. return sum; 28. } 29. #endif 01. // A.cpp 02. #include "A.h" 03. 04. decltype(A().getValue()) operator+=(double& val, const A& other) 05. { 06. return val += other.getValue(); 07. } 01. // main.cpp 02. #include 03. #include "A.h" 04. using namespace std; 05. 06. int main() 07. { 08. int arrI[5]{ 0, 1, 2, 3, 4, 5 }; 09. cout << process(arrI) << endl; 10. 11. A arrA[5]{ {1.2}, {2.3}, {3.4}, {4.5} }; 12. cout << process(arrA) << endl; 13. } Your task is to identify each one by the file name and line number and explain why the error appears, what C++ standard rule is broken, what C++ feature is misused and how the error should be fixed. Your answer will be evaluated based on clarity of the text and the show of understanding of the concepts that are involved in the error.

Write in the answer box your solution, using the following template:

Error 1:

Error 2:

Error 3:

Error 4:

Error 5: