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🔗 John Carmack on Functional Programming (via HN) #

A large fraction of the flaws in software development are due to programmers not fully understanding all the possible states their code may execute in. In a multithreaded environment, the lack of understanding and the resulting problems are greatly amplified, almost to the point of panic if you are paying attention. Programming in a functional style makes the state presented to your code explicit, which makes it much easier to reason about, and, in a completely pure system, makes thread race conditions impossible.

A significant part of John Carmack’s intelligence is his ability to recognize the importance of having principles while not shunning pragmatic tradeoffs.

#permalink 10/18/24, 8:03 pm / language-design, Carmack