RFC: cargo rm --unused #415

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1. Xuanwo

   changed the title [-]RFC: `cargo rm --used`[/-] [+]RFC: `cargo rm --unused`[/+] on Aug 10, 2020
2. mainrs commented on Aug 16, 2020

   

   mainrs

   on Aug 16, 2020

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   Is there currently some way to get metadata about unused crates? Without external proper tooling I would probably classify this as quite time consuming to implement with little value gained when considering the time it took to implement.

   I know that cargo-udeps is a thing but sadly they do not provide a library API to take advantage of their code analysis. Maybe tapping into rustc warnings can be done (rust-lang/rust#72342).
3. Xuanwo commented on Aug 17, 2020

   

   Xuanwo

   on Aug 17, 2020

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   Maybe we can use librustc_metadata directly?
4. epage

   added

   cargo-rm

   on Sep 22, 2021
5. epage commented on Sep 1, 2022

   

   epage

   on Sep 1, 2022

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   cargo udeps is an existing tool for doing this. Seeing as there are still caveats to how it works, I think more work should be put into that before integrating its behavior into cargo rm especially with #682
6. epage

   closed this as completedon Sep 1, 2022
7. bors

   added 3 commits that reference this issue on Oct 6, 2022

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