Function test

test/on_error_preload_basic_test.cpp:31–48

template <class G>
void test( G && g )
{
    int r = leaf::try_handle_all(
        [&]() -> leaf::result<int>
        {
            return f(std::move(g));
        },
        []( info<42> const & i42, leaf::diagnostic_info const & di )
        {
            BOOST_TEST_EQ(i42.value, 42);
            return 1;
        },
        []
        {
            return 2;
        } );
    BOOST_TEST_EQ(r, 1);
}

int main()
{