The resulting code is a beautiful example of a tiny domain-specific language within Rails that extends Ruby to make a kind of switch statement. Here's how it works.

生成的代码是Rails中小型的特定于域的语句的优美示例，它扩展Ruby以构造一种switch语句。

youdao

For example, even though this unit is less efficient that the other two, it's a tiny difference, and the same goes for the rails.

例如，即使这个单位是效率不高，其他两个，这是一个微小的差异，也是一样的铁轨。

youdao

For example, even though this unit is less efficient that the other two, it's a tiny difference, and the same goes for the rails.

例如，即使这个单位是效率不高，其他两个，这是一个微小的差异，也是一样的铁轨。

youdao