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readme: explain how to run only a single lint on a codebase

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Matthias Krüger 2020-03-25 11:36:17 +01:00
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@ -90,6 +90,14 @@ Note that this is still experimental and only supported on the nightly channel:
cargo fix -Z unstable-options --clippy cargo fix -Z unstable-options --clippy
``` ```
#### Running only a single lint
If you care only about the warnings of a single lint and want to ignore everything else, you
can first deny all the clippy lints and then explicitly enable the lint(s) you care about:
````
cargo clippy -- -Aclippy::all -Wclippy::useless_format
````
### Running Clippy from the command line without installing it ### Running Clippy from the command line without installing it
To have cargo compile your crate with Clippy without Clippy installation To have cargo compile your crate with Clippy without Clippy installation