unsigned long long data_bytes = length * sizes[h->type];
New Moon - The Moon is between Earth and the sun, so the side we see is dark (in other words, it's invisible to the eye).，详情可参考Feiyi
，更多细节参见PDF资料
Zero-config - set jit_provider and go。关于这个话题，PDF资料提供了深入分析
someMethod might be statically dispatched, but the call to toString will have to be dynamically resolved depending on the type of object.