Here you simply check the entry as an object, but what about after you send it off as an actual feed?
此处您只是把条目作为对象进行检查，但是把它作为实际的feed发送之后会怎样呢？
Composite pattern: Check out this Wikipedia entry on the composite design pattern.
复合模式：在这个Wikipedia条目中查找有关复合设计模式的信息。
The size check ensures that there is only one entry in the set, as expected.
大小检查确保在集合中如预期那样只有一个条目。
Thee size check ensures that there is only one entry in the set, as expected.
大小检查确保在集合中如预期那样只有一个条目。 。
Thee size check ensures that there is only one entry in the set, as expected.
大小检查确保在集合中如预期那样只有一个条目。 。
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