Positional arguments work well, as do keyword arguments. I think it's a mistake to support both though.
In e.g. Python it's hard to control how people will call you, and you may have differing views on the API you're exposing.
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In many respects I feel an LLM benefits from a monorepo. I've vibe coded a bunch of helper CLIs recently and end up repeating the same preferences for all of them.
I want all my CLIs to use clippy, parse arguments with clap, etc. They're distinct tools in distinct repos though.
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I'm coming round to the view that a main function shouldn't take arguments.
For example, in Rust you have to call std::env::args() to get CLI arguments.
This makes Hello World less verbose, and gives you more flexibility in setting up CLI argument parsers.
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I'm working on arity errors in Garden, my toy programming language.
Rather than just saying "expected 3, got 4 arguments", I'm trying to report where the extra argument is, or what extra argument was expected.
