Document lint levels in the book #16313
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For people new to clippy, it's better to be explicit. The terminology of allow-by-default could also mean that the lint is enabled (vs. being allowed in the source code).
flip1995
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Jan 7, 2026
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| The lint levels are: | ||
| * allow: can appear in the source code | ||
| * warn: emits a warning | ||
| * deny: can't appear in the source code |
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The rustc book already explains all lint levels: https://doc.rust-lang.org/rustc/lints/levels.html
I suggest to just link to that from here.
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For people new to clippy, it's better to be explicit. The terminology of allow-by-default could also mean that the lint is enabled (vs. being allowed in the source code).
Please write a short comment explaining your change (or "none" for internal only changes)
changelog: Document levels explicitly in the book