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I made a rust library for parsing env vars. Environment variable parser with a clap style derive macro and elm style error reporting. github.com/frectonz/par...

`parenv` is more similar to using clap with `env` support, it's not a serde deserializer, it also generates nice error reports for you when users don't provide the required environment variables

That's actually pretty neat, more readable configuration loading errors are good. One issue I can spot is that it depends on `owo-colors` and `miette` with `fancy` feature, which are not going to work particularly well outside of a CLI application.

This is an example of envy usage taken from their readm, you can see that it doesn't handle error reporting for you