An important difference between the semantics of the case-statement in C/C++ and Ada is that an unlisted case causes a runtime error in Ada, while in C/C++, execution “falls through” to the statement...

An important difference between the semantics of the case-statement in C/C++ and Ada is that an unlisted case causes a runtime error in Ada, while in C/C++, execution “falls through” to the statement following the case-statement. Compare these two conventions with respect to the design principles of Chapter 2. Which principles apply?