Class MyException3

tests/test_exceptions.cpp:45–58

A type that is not derived from std::exception (and is thus unknown)

// A type that is not derived from std::exception (and is thus unknown)
class MyException3 {
public:
    explicit MyException3(const char *m) : message{m} {}
    virtual const char *what() const noexcept { return message.c_str(); }
    // Rule of 5 BEGIN: to preempt compiler warnings.
    MyException3(const MyException3 &) = default;
    MyException3(MyException3 &&) = default;
    MyException3 &operator=(const MyException3 &) = default;
    MyException3 &operator=(MyException3 &&) = default;
    virtual ~MyException3() = default;
    // Rule of 5 END.
private:
    std::string message = "";
};

// A type that should be translated to MyException
// and delegated to its exception translator