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Data Modeling with Sums and Products
This is an English translation of the German version of this post. Data Modeling is often an underappreciated aspect of software architecture, yet it plays a crucial role in achieving not only functional but also usability and maintainability goals.
In many years of experience in software architecture and development, we have used this concept as a valuable tool for all kinds of data modeling tasks, in various programming languages and contexts. Further, it shows how to encode a simplified real-world scenario using sums and products in modern programming languages (Java, Python, Haskell, Kotlin, C#, Racket, Clojure, Scala, F#, Swift, Rust, Typescript). Sums and products are important building blocks of data models, allowing architects to create ergonomic, powerful software, durable architectures, and maintainable code.
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