通过增加简明的语法和支持，函数式语言使递归成为实现简单代码重用的候选方法。
By adding clean syntax and support, functional languages make recursion a candidate for simple code reuse.
您可能会喜欢弄清如何调整语法的练习(提示：请记住允许各产品彼此递归)。
You might enjoy the exercise of figuring out how to adjust the grammar (hint: remember that productions are allowed to be mutually recursive).
计量符可以在Spark记号赋予器(tokenizer)的正则表达式中使用，并可以用解析表达式语法中的递归来进行模拟。
Quantifiers can be used within the regular expressions of the Spark tokenizer, and can be simulated by recursion in parse expression grammars.
例如，如果一种语法中允许嵌套标记代码，或许可以使用这种递归风格。
For example, if the grammar were to allow nested markup codes, this recursive style would probably be used.
在本文中，我提供了从oracle型CONNECT BY递归查询语法到DB 2中遵从标准的使用UNION ALL的递归公共表表达式的通用映射。
In this article I provided generic mappings from the Oracle style CONNECT BY recursive query syntax to DB2's standard compliant recursive common table expressions using UNION ALL.
至此我已经介绍了记录递归路径和在运行时检测递归的功能，实际上还可以映射Oracle的CONNECT BY查询语法中的NOCYCLE关键字。
Now that I have introduced the capability to record the path of a recursion and to detect recursion at runtime, it is possible to map the NOCYCLE keyword of Oracle's CONNECT BY query syntax.
语言递归性是生成语法在当前生物语言学背景下研究的热点。
Linguistic recursion becomes the focus of Generative Grammar research in the context of bio-linguistics.
如何删除下列语法左递归？
如何删除下列语法左递归？
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