“Connascence” is a way of describing the ways in which parts of software are interdependent, and can thus force changes upon other parts when they themselves are changed. In other words: Connascence lets us understand the degree to which changes in A will force changes in B. In this talk, Thomi Richards introduces the idea of connascence, describing and demonstrating different types of coupling and connascence in Python code. Understanding the types and degrees of connascence present in your software will make it easier to understand the impact of change, and will help you to reason more carefully about the software you write.
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