您可以使用一个混合迭代器，它封装了遍历清单3中列出的每种地址的迭代器。

You can use a compound iterator that wraps the iterators that loop through each type of address like the one listed in Listing 3.

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您可以使用一个混合迭代器，它封装了遍历清单3中列出的每种地址的迭代器。

You can use a compound iterator that wraps the iterators that loop through each type of address like the one listed in Listing 3.

youdao