Not only does it slow down the program due to the virtual function indirect call, it is also an opaque wall where no metaprogram can get past.
仅因为虚拟函数的间接调用降低了
序的速度，还是一堵透明的墙，元编无法穿过。
序Not only does it slow down the program due to the virtual function indirect call, it is also an opaque wall where no metaprogram can get past.
仅因为虚拟函数的间接调用降低了序的速度，还是一堵透明的墙，元编无法穿过。
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，其表达内容亦
代表本软件的观点；若发现问题，欢迎向我们指正。
