document that the rustc tool namespace is reserved
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this section in the reference is not quite right; or at least is an incomplete summary. here is a more detailed explanation of what's currently implemented: |Tool|Lints|Attributes| |-|-|-| |`clippy`|✅|✅| |`rustfmt`|❌|✅| |`miri`|❌|✅| |`rust_analyzer`|❌|✅| |`rustdoc`|✅|❌| |`rustc`|✅ (with `-Z unstable-options`)|❌| |`diagnostic`|❌|✅| i'm not sure how to write that up, and it doesn't belong in the attributes section anyway, so i've just added this short snippet.
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i think it would be good to make the lints and attributes consistent; i think it would be confusing to reserve one but not the other. but that's a policy decision, not a documentation issue. |
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Thanks for the PR. Maybe we misunderstand the intent here -- and if so, please feel free to clarify -- but we don't generally document unstable features in the Reference, and there's no way on stable Rust to use tools other than those that we've allowed, so it doesn't really mean anything to reserve a namespace in that context. So we'll close this out. |
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hmm, ok. i will make this part of the pr that documents |
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this section in the reference is not quite right; or at least is an incomplete summary. here is a more detailed explanation of what's currently implemented:
clippyrustfmtmirirust_analyzerrustdocrustc-Z unstable-options)diagnostici'm not sure how to write that up, and it doesn't belong in the attributes section anyway, so i've just added this short snippet.
thanks to @BD103 for putting together the pretty markdown table.
cc rust-lang/rfcs#3808