Modern C++ Programming with Test-Driven Development

8.19 Moving a Method via Mikado

We could consider a WAV snippet, or possibly a WAV snippet writer, as an abstraction of its own. The name of our primary class, WavReader, already suggests that anything to do with ​writing​ snippets is an inappropriate responsibility. Further, we are making extensive changes to the snippet logic and want to isolate the changes to a class with smaller scope.

As a short-term Mikado Goal, we want to extract the ​writeSnippet​ function into its own class, ​Snippet​. Once we complete the immediate goal, we plan to clean the ​Snippet​ code considerably. One goal at a time, however.

Given the space constraints of a book, this is a smaller example, but it’s no less real than your regular refactoring challenges. It’s also ...