Begin by creating a recursive concat function.
首先创建递归的concat函数。
Figure 22 shows two fields using the Concat function to join into one single field.
图22显示了使用Concat功能联接为单个字段的两个字段。
As an example to illustrate one of these functions, let's consider the array concat function.
作为演示其中一个这类函数的例子，让我们考虑arrayconcat函数。
This is obvious in the Visitor implementation where you see all of the recursive calls to the eval-concat function.
在访问者实现中可以清楚地看到这一点，您可以看到对eval - concat函数的所有递归调用。
As an example to illustrate one of these functions, consider the array concat function with respect to Table 3.
作为一个例子，考虑表3中的arrayconcat函数。
The can-simplify-concat function ACTS as the matcher function and the simplify-concat function ACTS as the editor.
can - simplify - concat函数作为匹配函数，simplify -concat函数则作为编辑器。
The Concat function will concatenate two or more strings from the source into a single string value on the target side.
Concat函数将来自源的两个或多个字符串在目标端连接成一个单一的字符串值。
The built-in Concat function supports the specification of a prefix, postfix, and delimiters through its property page.
内置的Concat函数支持通过其属性页指定前缀、后缀和分隔符。
The array concat function takes an array of strings as an input and returns a concatenation of the strings into a single string output.
arrayconcat函数获取一个字符串数组作为输入并在字符串输出中返回联接后的这些字符串。
This value attribute USES the XPath concat function to combine the literal string 'Hello' with the current value of the Name element in the model.
该value属性用XPathconcat函数把文字串'Hello '和模型的Name元素的当前值连起来。
Once an array concat function is created within the Mapping Editor, the General TAB within the Properties View contains a table to specify input parameters to the function.
在MappingEditor中创建了一个arrayconcat函数后，PropertiesView中的General选项卡包含一个表，用于指定函数的输入参数。
In Listing 15, we revisit our problem of evaluating a concat function by creating a match function (to find concat nodes with string-literal arguments) and an editor function (to evaluate the concat).
在清单15中，我们创建了一个match函数(用于查找具有字符串参数的连接节点)和一个editor函数(用于对连接求值)，再次遇到了对concat函数求值的问题。
You can also aggregate strings from a sequence of strings: the new string-join function takes a sequence as an argument, unlike concat , which takes many arguments, each being a string.
还可以通过各字符串的序列来聚合字符串，新增的string - join函数以序列为参数，这与concat有所不同，它可以有很多参数，每个参数要求是字符串。
The second all-strings function similarly generates a conditional visitor that looks for a concat node with all string args.
第二个all - strings函数生成了一个条件访问者，它将查找带有全部字符串参数的concat节点。
The Full name calculation consists of the following expression using the IBM DB2 vendor specific relational function concat for the concatenation of strings.
Fullname计算包含以下表达式，使用特定于IBMDB 2供应商的关系函数concat来串联字符串。
For example, in Listing 18, we rewrote our concat evaluator to look for :concat nodes (function 1) that have all strings (function 2) and then evaluate the concat (function 3).
举例来说，在清单18 中，我们重写了concat 求值程序，以便查找具有全部字符串（函数2）的 :concat节点（函数1），随后对 concat 求值（函数3）。
For example, in Listing 18, we rewrote our concat evaluator to look for :concat nodes (function 1) that have all strings (function 2) and then evaluate the concat (function 3).
举例来说，在清单18 中，我们重写了concat 求值程序，以便查找具有全部字符串（函数2）的 :concat节点（函数1），随后对 concat 求值（函数3）。
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