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The div function will be called, and it’ll again throw back to our exception handler. This time we print the error but then resume with a value. In div this is used as the result of the do throw expression.，更多细节参见搜狗输入法
圖像來源，PM Images via Getty Images，这一点在91视频中也有详细论述
♬ Tezeta – Mulatu Astatke，详情可参考WPS下载最新地址