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Allow adding a set of cfg's to hide from being implicitly doc(cfg)'d

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By adding #![doc(cfg_hide(foobar))] to the crate attributes the cfg
 #[cfg(foobar)] (and _only_ that _exact_ cfg) will not be implicitly
treated as a doc(cfg) to render a message in the documentation.
This commit is contained in:
Wim Looman 2020-11-04 21:59:35 +01:00 • committed by Guillaume Gomez
parent 10cdbd847f
commit 18fdd816b7
11 changed files with 74 additions and 9 deletions
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3
compiler/rustc_feature/src/active.rs
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@ -380,6 +380,9 @@ declare_features! (
/// Allows `#[doc(cfg(...))]`.
(active, doc_cfg, "1.21.0", Some(43781), None),
/// Allows `#[doc(cfg_hide(...))]`.
(active, doc_cfg_hide, "1.49.0", Some(43781), None),
/// Allows `#[doc(masked)]`.
(active, doc_masked, "1.21.0", Some(44027), None),