Impact on maintainability and refactoring for higher-level design features - Titus Winters

#Programming #Cpp #AccuConf

Higher levels of abstraction are useful for building things out of, but also have a higher cognitive and maintenance cost. That is, it’s a lot easier to refactor a function than it is to change a type, and similarly easier to deal with a single concrete type than a class template, or a Concept, or a meta-Concept…​

In this talk I’ll present example strategies for refactoring the interface of functions, classes, and class templates. I’ll also discuss how the recent addition of Concepts and the proposals for even-more-abstract features affect long-term refactoring in C++. If you’re interested in refactoring, and it isn’t immediately clear that a Concept published in a library can never change, this talk is for you.
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Titus is a Senior Staff Software Engineer at Google, where he has worked since 2010. He founded Abseil, Google’s open-source C++ library that underpins more than 250M lines of Google code with 12K+ active internal users. He is one of the four arbiters for Google’s official C++ style guidelines. For the last 8 years, Titus has been organizing, maintaining, and evolving the foundational components of Google’s C++ codebase using modern automation and tooling. Titus chairs the Library Evolution Working Group (LEWG) for the C++ Standard - the group responsible for API design proposals to the standard library.
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