Simultaneous exceptions

exceptions.cpp

#include <iostream>
#include <exception>

struct bar
{
    ~bar()
    {
        std::cout << std::uncaught_exceptions() << " uncaught exceptions (bar 1)\n";

        try
        {
            throw 'x';
        }
        catch (char c)
        {
            std::cout << std::uncaught_exceptions() << " uncaught exceptions (bar 2)\n";
        }
    }
};

struct foo
{
    ~foo()
    {
        std::cout << std::uncaught_exceptions() << " uncaught exceptions (foo 1)\n";

        try
        {
            bar b;
            throw 1;
        }
        catch (int i)
        {
            std::cout << std::uncaught_exceptions() << " uncaught exceptions (foo 2)\n";
        }
    }
};

int main()
{
    std::cout << std::uncaught_exceptions() << " uncaught exceptions (main 1)\n";

    try
    {
        foo f;
        throw 1.1;
    }
    catch (double d)
    {
        std::cout << std::uncaught_exceptions() << " uncaught exceptions (main 2)\n";
    }

    std::cout << std::uncaught_exceptions() << " uncaught exceptions (main 3)\n";
}