C++ Primer, Fifth Edition

18.1.3. Function try Blocks and Constructors

In general, exceptions can occur at any point in the program’s execution. In particular, an exception might occur while processing a constructor initializer. Constructor initializers execute before the constructor body is entered. A catch inside the constructor body can’t handle an exception thrown by a constructor initializer because a try block inside the constructor body would not yet be in effect when the exception is thrown.

Exercises Section 18.1.2

Exercise 18.4: Looking ahead to the inheritance hierarchy in Figure 18.1 (p. 783), explain what’s wrong with the following try block. Correct it.

try {    // use of the C++ standard library} catch(exception) {    // ...} catch(const runtime_error ...