"Data clump" is such a good term. So evocative 💯
I know I'm guilty of over-using null as a return value - and symmetry, especially in a large codebase, can be so elusive. Thanks for this high-level cheatsheet; good to keep these things top-of-mind! 🙏
I usually like language that allow some optional type (like Rust or C++ through union types). It's a good element to indicate that "this piece of code may return in case all condition for it to appear are met". Same goes with other element.
This article is good and it's match perfectly with my obsession with semantic: the meaning should be directly observable from the code.
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