在这个例子中,$0和$1表示闭包中第一个和第二个 String 类型的参数。 运算符方法(Operator Methods) 实际上还有一种更简短的方式来编写上面例子中的闭包表达式。
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下面一节中列出了执行选择的标准查询运算符方法。
The standard query operator methods that perform selection are listed in the following section.
下面一节中列出了分区序列的标准查询运算符方法。
The standard query operator methods that partition sequences are listed in the following section.
以下部分列出了执行聚合运算的标准查询运算符方法。
The standard query operator methods that perform aggregation operations are listed in the following section.
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