The download versions of the samples include a test driver and also have some added code for checking the operation of the different models by counting elements, deletes, and adds.
The string operation to be performed may result in different outputs, depending on the string length unit that is used for counting the characters.
待执行的字符串操作可能导致不同的输出，取决于计算字符所使用的字符串长度单元。
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The program can stored 50 sets function parameters, makes the operation easily. Auto counting function limit output and enable product control conveniently.