В российском городе пожаловались на каток вместо лестниц в отделение общества инвалидовВ Смоленске пожаловались на нечищеные лестницы в отделении общества инвалидов
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，详情可参考heLLoword翻译
Мария Большакова (редактор отдела «Интернет и СМИ»)
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Now that we've seen the problems with overlapping instances, let's look at the second coherence rule, which forbids orphan implementations. This restriction is most well-known for the following use case. On one hand, we have the serde crate, which defines the Serialize trait that is used pretty much everywhere. And then we have a library crate that defines a data type, say, a Person struct.