What kind of mapper will we need to bridge the data structures representing the business processes interfaces?
在現實情況中,我們的表達方式可能會更緊湊一些,我們的mapper會使用一個size方法的方法引用,以及整數的求和會用到一個預先定義的reducer。
In this mapper file, we add a section to define the mapping of parameter values.
The mapper trapped in the gap tapped the tap wrapper with strap.