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203 points dahlia | 3 comments | 06 Sep 25 18:20 UTC | HN request time: 0.553s | source

1. andrewguy9 ◴[07 Sep 25 01:48 UTC] No.45154641[source]▶

Docopt!

Make use of the usage string be the specification!

A criminally underused library.

2. fragmede ◴[07 Sep 25 02:13 UTC] No.45154764[source]▶

My favorite. A bit too much magic for some, but it seems well specified to me.

3. tomjakubowski ◴[07 Sep 25 04:11 UTC] No.45155334[source]▶

A great example of "declaration follows use" outside of C syntax.

Stop writing CLI validation. Parse it right the first time