Chapter 9Be Easy to Maintain
We know how to make an easy-to-use, helpful app that interacts with the system as easily as its users yet is highly flexible. In the previous chapter, we learned how to test such an app. We’re almost done with our journey through command-line app development. What we haven’t talked about is how to manage our apps in the face of increasing complexity. We imagined a version of our todo app that integrated with JIRA, a commercial issue-tracking system. What if we decided to open source that app and users wanted it to integrate with other issue-tracking systems? How do we make sure we can contain the complexity of a growing, popular app?
You’ve already learned the first step in writing a maintainable application: ...
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