#include <iostream>
#include <exception>
#include <functional>

namespace
{
void run(std::function<void()> const& f)
{
    try
    {
        f();
    }
    catch (std::exception const& e)
    {
        std::cerr << "ignored exception: " << e.what() << std::endl;
    }
}
}

int main(int argc, char* argv[])
{
    run([]{ throw std::runtime_error("some error"); });
    run([]{ throw std::runtime_error("some error"); });
}