This is standard stuff, including Data: : Dumper for debugging purposes.

这是标准的代码，包括用于调试目的的Data： Dumper。

youdao

Being prudent, you use Data: : Dumper to look at what gets read into memory and are upset to find what's seen in Listing 8.

谨慎起见，先使用Data： Dumper查看在内存中读入了什么内容，结果如清单8所示。

youdao

If you have never used Data: : Dumper, you should read the documentation (" perldoc Data: : Dumper ") and try it in your programs.

如果从没用过Data： Dumper，则应该阅读文档(“ perldoc Data： Dumper ”)并在程序中尝试。

youdao