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Auto merge of #11850 - Nilstrieb:tbd, r=dswij

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[`deprecated_semver`]: Allow `#[deprecated(since = "TBD")]`

"TBD" is allowed by rustdoc, saying that it will be deprecated in a future version. rustc will also not actually warn on it.
I found this while checking the rust-lang/rust with clippy.

changelog: [`deprecated_semver`]: allow using `since = "TBD"`
This commit is contained in:
bors 2023-11-24 14:46:50 +00:00
commit e075823e2c
2 changed files with 8 additions and 4 deletions
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9
clippy_lints/src/attrs.rs
View File

@ -120,7 +120,8 @@
declare_clippy_lint! { declare_clippy_lint! {
/// ### What it does /// ### What it does
/// Checks for `#[deprecated]` annotations with a `since` /// Checks for `#[deprecated]` annotations with a `since`
/// field that is not a valid semantic version. /// field that is not a valid semantic version. Also allows "TBD" to signal
/// future deprecation.
/// ///
/// ### Why is this bad? /// ### Why is this bad?
/// For checking the version of the deprecation, it must be /// For checking the version of the deprecation, it must be
@ -479,7 +480,7 @@ fn check_attribute(&mut self, cx: &LateContext<'tcx>, attr: &'tcx Attribute) {
&& let MetaItemKind::NameValue(lit) = &mi.kind && let MetaItemKind::NameValue(lit) = &mi.kind
&& mi.has_name(sym::since) && mi.has_name(sym::since)
{ {
check_semver(cx, item.span(), lit); check_deprecated_since(cx, item.span(), lit);
} }
} }
} }
@ -760,9 +761,9 @@ fn check_attrs(cx: &LateContext<'_>, span: Span, name: Symbol, attrs: &[Attribut
} }
} }
fn check_semver(cx: &LateContext<'_>, span: Span, lit: &MetaItemLit) { fn check_deprecated_since(cx: &LateContext<'_>, span: Span, lit: &MetaItemLit) {
if let LitKind::Str(is, _) = lit.kind { if let LitKind::Str(is, _) = lit.kind {
if Version::parse(is.as_str()).is_ok() { if is.as_str() == "TBD" || Version::parse(is.as_str()).is_ok() {
return; return;
} }
} }

3
tests/ui/attrs.rs
View File

@ -36,6 +36,9 @@ fn empty_and_false_positive_stmt() {
#[deprecated(since = "0.1.1")] #[deprecated(since = "0.1.1")]
pub const YET_ANOTHER_CONST: u8 = 0; pub const YET_ANOTHER_CONST: u8 = 0;
#[deprecated(since = "TBD")]
pub const GONNA_DEPRECATE_THIS_LATER: u8 = 0;
fn main() { fn main() {
test_attr_lint(); test_attr_lint();
if false { if false {