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Stop writing CLI validation. Parse it right the first time

(hackers.pub)
203 points dahlia | 1 comments | 06 Sep 25 18:20 UTC | HN request time: 0.202s | source
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nine_k ◴[06 Sep 25 22:45 UTC] No.45153599[source]▶
This is a recurring idea: "Parse, don't validate". Previously:

https://lexi-lambda.github.io/blog/2019/11/05/parse-don-t-va... (2019, using Haskell)

https://www.lelanthran.com/chap13/content.html (April 2025, using C)

replies(1): >>45153898 #
1. jetrink ◴[06 Sep 25 23:38 UTC] No.45153898[source]▶
The author credits Alexis King at the beginning and links to that post.