Chapter 13

1. This is a laboratory exercise; no answer is required.
2. The following output is from Ubuntu 18.04 on NVIDIA Jetson Nano:

swu@swu-desktop:~/ch13$ g++ -c -Wall -Weffc++ -Wextra  ch13_rca_compound.cpp
 ch13_rca_compound.cpp: In function ‘int main()’:
 ch13_rca_compound.cpp:11:17: warning: operation on ‘x’ may be undefined [-Wsequence-point]
 std::cout << f(++x, x) << std::endl; //bad,f(4,4) or f(4,3)?
 ^~~

swu@swu-desktop:~/ch13$ g++ -c -Wall -Weffc++ -Wextra ch13_rca_mix_sign_unsigned.cpp
nothing is detected 

swu@swu-desktop:~/ch13$ g++ -c -Wall -Weffc++ -Wextra ch13_rca_order_of_evaluation.cpp
 ch13_rca_order_of_evaluation.cpp: In constructor ‘A::A(int)’:
 ch13_rca_order_of_evaluation.cpp:14:14: warning: ‘A::v3’ will be initialized after [-Wreorder]
 int v1, v2, v3;
 ^~
 ch13_rca_order_of_evaluation.cpp:14:6:...