The debugger allows developers to step through the abstractprogram code using real data before the application is deployed.
调试器让开发人员在应用程序部署之前使用真实数据单步调试抽象程序代码。
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XYZ/AE can express all program's properties and it is easy to understand. Moreover it can combine with executable language XYZ/EE to describe middle abstractprogram. It has very good extension.
However, if you prefer to work at a more abstract level — using simple APIs or function calls within a program perhaps — this tool may be too low level for you.