Each rule, in turn, consists of a regular expression and some code to be run when that regular expression is matched.

每一个规则依次包含一个正则表达式以及该正则表达式得到匹配时要运行的一些代码。

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You'll also want to turn on the new Option infer feature. This allows the compiler to infer local variable type declarations by evaluating the right-hand side of the expression.

你也希望根据那些特性打开新的推断特性的选项，这允许编译器通过估计右值表达式去推测出局部变量的申明类型。

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I rose with an irrepressible expression of what I felt on my lips, which induced my companion, who had been staring towards the door, to turn and look at me.

我站起来，自己也觉得嘴上带着一种压抑不住的表情，这引起了我那向门瞪视着的同伴转过头来望着我。

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