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Add support for stable-const-since in docs on items (standalone or assoc)
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@ -124,6 +124,7 @@ impl<'a, 'tcx> AutoTraitFinder<'a, 'tcx> {
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visibility: Inherited,
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def_id: self.cx.next_def_id(param_env_def_id.krate),
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stability: None,
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const_stability: None,
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deprecation: None,
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kind: ImplItem(Impl {
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unsafety: hir::Unsafety::Normal,
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@ -113,6 +113,7 @@ impl<'a, 'tcx> BlanketImplFinder<'a, 'tcx> {
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visibility: Inherited,
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def_id: self.cx.next_def_id(impl_def_id.krate),
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stability: None,
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const_stability: None,
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deprecation: None,
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kind: ImplItem(Impl {
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unsafety: hir::Unsafety::Normal,
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@ -483,6 +483,7 @@ fn build_module(cx: &DocContext<'_>, did: DefId, visited: &mut FxHashSet<DefId>)
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def_id: DefId::local(CRATE_DEF_INDEX),
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visibility: clean::Public,
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stability: None,
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const_stability: None,
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deprecation: None,
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kind: clean::ImportItem(clean::Import::new_simple(
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item.ident.to_string(),
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@ -2189,6 +2189,7 @@ fn clean_extern_crate(
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def_id: crate_def_id,
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visibility: krate.vis.clean(cx),
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stability: None,
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const_stability: None,
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deprecation: None,
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kind: ExternCrateItem(name.clean(cx), path),
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}]
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@ -2259,6 +2260,7 @@ impl Clean<Vec<Item>> for doctree::Import<'_> {
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def_id: cx.tcx.hir().local_def_id(self.id).to_def_id(),
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visibility: self.vis.clean(cx),
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stability: None,
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const_stability: None,
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deprecation: None,
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kind: ImportItem(Import::new_simple(
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self.name.clean(cx),
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@ -2279,6 +2281,7 @@ impl Clean<Vec<Item>> for doctree::Import<'_> {
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def_id: DefId::local(CRATE_DEF_INDEX),
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visibility: self.vis.clean(cx),
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stability: None,
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const_stability: None,
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deprecation: None,
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kind: ImportItem(inner),
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}]
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@ -12,7 +12,7 @@ use rustc_ast::attr;
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use rustc_ast::util::comments::beautify_doc_string;
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use rustc_ast::{self as ast, AttrStyle};
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use rustc_ast::{FloatTy, IntTy, UintTy};
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use rustc_attr::{Stability, StabilityLevel};
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use rustc_attr::{ConstStability, Stability, StabilityLevel};
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use rustc_data_structures::fx::{FxHashMap, FxHashSet};
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use rustc_feature::UnstableFeatures;
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use rustc_hir as hir;
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@ -87,6 +87,7 @@ crate struct Item {
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crate def_id: DefId,
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crate stability: Option<Stability>,
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crate deprecation: Option<Deprecation>,
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crate const_stability: Option<ConstStability>,
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}
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impl fmt::Debug for Item {
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@ -155,6 +156,7 @@ impl Item {
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visibility: cx.tcx.visibility(def_id).clean(cx),
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stability: cx.tcx.lookup_stability(def_id).cloned(),
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deprecation: cx.tcx.lookup_deprecation(def_id).clean(cx),
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const_stability: cx.tcx.lookup_const_stability(def_id).cloned(),
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}
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}
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@ -262,6 +264,13 @@ impl Item {
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}
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}
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crate fn const_stable_since(&self) -> Option<SymbolStr> {
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match self.const_stability?.level {
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StabilityLevel::Stable { since, .. } => Some(since.as_str()),
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StabilityLevel::Unstable { .. } => None,
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}
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}
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crate fn is_non_exhaustive(&self) -> bool {
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self.attrs.other_attrs.iter().any(|a| a.has_name(sym::non_exhaustive))
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}
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@ -1692,13 +1692,13 @@ fn print_item(cx: &Context, item: &clean::Item, buf: &mut Buffer, cache: &Cache)
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debug_assert!(!item.is_stripped());
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// Write the breadcrumb trail header for the top
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write!(buf, "<h1 class=\"fqn\"><span class=\"out-of-band\">");
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if let Some(version) = item.stable_since() {
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write!(
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buf,
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"<span class=\"since\" title=\"Stable since Rust version {0}\">{0}</span>",
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version
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);
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}
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render_stability_since_raw(
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buf,
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item.stable_since().as_deref(),
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item.const_stable_since().as_deref(),
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None,
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None,
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);
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write!(
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buf,
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"<span id=\"render-detail\">\
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@ -2476,6 +2476,7 @@ fn render_implementor(
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AssocItemLink::Anchor(None),
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RenderMode::Normal,
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implementor.impl_item.stable_since().as_deref(),
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implementor.impl_item.const_stable_since().as_deref(),
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false,
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Some(use_absolute),
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false,
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@ -2506,6 +2507,7 @@ fn render_impls(
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assoc_link,
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RenderMode::Normal,
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containing_item.stable_since().as_deref(),
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containing_item.const_stable_since().as_deref(),
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true,
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None,
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false,
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@ -2756,6 +2758,7 @@ fn item_trait(w: &mut Buffer, cx: &Context, it: &clean::Item, t: &clean::Trait,
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assoc_link,
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RenderMode::Normal,
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implementor.impl_item.stable_since().as_deref(),
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implementor.impl_item.const_stable_since().as_deref(),
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false,
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None,
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true,
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@ -2898,10 +2901,40 @@ fn assoc_type(
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}
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}
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fn render_stability_since_raw(w: &mut Buffer, ver: Option<&str>, containing_ver: Option<&str>) {
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fn render_stability_since_raw(
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w: &mut Buffer,
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ver: Option<&str>,
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const_ver: Option<&str>,
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containing_ver: Option<&str>,
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containing_const_ver: Option<&str>,
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) {
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let ver = ver.and_then(|inner| if !inner.is_empty() { Some(inner) } else { None });
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let const_ver = const_ver.and_then(|inner| if !inner.is_empty() { Some(inner) } else { None });
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if let Some(v) = ver {
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if containing_ver != ver && !v.is_empty() {
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write!(w, "<span class=\"since\" title=\"Stable since Rust version {0}\">{0}</span>", v)
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if let Some(cv) = const_ver {
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if const_ver != containing_const_ver {
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write!(
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w,
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"<span class=\"since\" title=\"Stable since Rust version {0}, const since {1}\">{0} (const: {1})</span>",
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v, cv
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);
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} else if ver != containing_ver {
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write!(
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w,
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"<span class=\"since\" title=\"Stable since Rust version {0}\">{0}</span>",
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v
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);
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}
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} else {
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if ver != containing_ver {
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write!(
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w,
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"<span class=\"since\" title=\"Stable since Rust version {0}\">{0}</span>",
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v
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);
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}
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}
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}
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}
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@ -2910,7 +2943,9 @@ fn render_stability_since(w: &mut Buffer, item: &clean::Item, containing_item: &
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render_stability_since_raw(
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w,
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item.stable_since().as_deref(),
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item.const_stable_since().as_deref(),
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containing_item.stable_since().as_deref(),
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containing_item.const_stable_since().as_deref(),
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)
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}
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@ -3462,6 +3497,7 @@ fn render_assoc_items(
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AssocItemLink::Anchor(None),
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render_mode,
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containing_item.stable_since().as_deref(),
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containing_item.const_stable_since().as_deref(),
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true,
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None,
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false,
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@ -3654,6 +3690,7 @@ fn render_impl(
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link: AssocItemLink<'_>,
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render_mode: RenderMode,
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outer_version: Option<&str>,
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outer_const_version: Option<&str>,
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show_def_docs: bool,
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use_absolute: Option<bool>,
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is_on_foreign_type: bool,
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@ -3705,11 +3742,13 @@ fn render_impl(
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);
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}
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write!(w, "<a href=\"#{}\" class=\"anchor\"></a>", id);
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let since = i.impl_item.stability.as_ref().and_then(|s| match s.level {
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StabilityLevel::Stable { since } => Some(since.as_str()),
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StabilityLevel::Unstable { .. } => None,
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});
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render_stability_since_raw(w, since.as_deref(), outer_version);
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render_stability_since_raw(
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w,
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i.impl_item.stable_since().as_deref(),
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i.impl_item.const_stable_since().as_deref(),
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outer_version,
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outer_const_version,
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);
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write_srclink(cx, &i.impl_item, w, cache);
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write!(w, "</h3>");
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@ -3746,6 +3785,7 @@ fn render_impl(
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render_mode: RenderMode,
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is_default_item: bool,
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outer_version: Option<&str>,
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outer_const_version: Option<&str>,
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trait_: Option<&clean::Trait>,
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show_def_docs: bool,
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cache: &Cache,
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@ -3775,7 +3815,13 @@ fn render_impl(
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write!(w, "<code>");
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render_assoc_item(w, item, link.anchor(&id), ItemType::Impl);
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write!(w, "</code>");
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render_stability_since_raw(w, item.stable_since().as_deref(), outer_version);
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render_stability_since_raw(
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w,
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item.stable_since().as_deref(),
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item.const_stable_since().as_deref(),
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outer_version,
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outer_const_version,
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);
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write_srclink(cx, item, w, cache);
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write!(w, "</h4>");
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}
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@ -3791,7 +3837,13 @@ fn render_impl(
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write!(w, "<h4 id=\"{}\" class=\"{}{}\"><code>", id, item_type, extra_class);
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assoc_const(w, item, ty, default.as_ref(), link.anchor(&id), "");
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write!(w, "</code>");
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render_stability_since_raw(w, item.stable_since().as_deref(), outer_version);
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render_stability_since_raw(
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w,
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item.stable_since().as_deref(),
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item.const_stable_since().as_deref(),
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outer_version,
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outer_const_version,
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);
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write_srclink(cx, item, w, cache);
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write!(w, "</h4>");
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}
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@ -3854,6 +3906,7 @@ fn render_impl(
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render_mode,
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false,
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outer_version,
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outer_const_version,
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trait_,
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show_def_docs,
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cache,
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@ -3868,6 +3921,7 @@ fn render_impl(
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parent: &clean::Item,
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render_mode: RenderMode,
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outer_version: Option<&str>,
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outer_const_version: Option<&str>,
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show_def_docs: bool,
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cache: &Cache,
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) {
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@ -3888,6 +3942,7 @@ fn render_impl(
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render_mode,
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true,
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outer_version,
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outer_const_version,
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None,
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show_def_docs,
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cache,
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@ -3909,6 +3964,7 @@ fn render_impl(
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&i.impl_item,
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render_mode,
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outer_version,
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outer_const_version,
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show_def_docs,
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cache,
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);
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@ -1,3 +1,5 @@
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// ignore-tidy-linelength
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#![crate_name = "foo"]
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#![unstable(feature = "humans",
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@ -17,6 +19,7 @@ pub const unsafe fn foo() -> u32 { 42 }
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pub const fn foo2() -> u32 { 42 }
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// @has 'foo/fn.bar2.html' '//pre' 'pub const fn bar2() -> u32'
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// @has - //span '1.0.0 (const: 1.0.0)'
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#[stable(feature = "rust1", since = "1.0.0")]
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#[rustc_const_stable(feature = "rust1", since = "1.0.0")]
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pub const fn bar2() -> u32 { 42 }
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@ -26,6 +29,7 @@ pub const fn bar2() -> u32 { 42 }
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pub const unsafe fn foo2_gated() -> u32 { 42 }
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// @has 'foo/fn.bar2_gated.html' '//pre' 'pub const unsafe fn bar2_gated() -> u32'
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// @has - '//span[@class="since"]' '1.0.0 (const: 1.0.0)'
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#[stable(feature = "rust1", since = "1.0.0")]
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#[rustc_const_stable(feature = "rust1", since = "1.0.0")]
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pub const unsafe fn bar2_gated() -> u32 { 42 }
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@ -40,4 +44,10 @@ impl Foo {
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#[stable(feature = "rust1", since = "1.0.0")]
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#[rustc_const_unstable(feature="foo", issue = "none")]
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pub const unsafe fn gated() -> u32 { 42 }
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// @has 'foo/struct.Foo.html' '//h4[@id="method.stable_impl"]/code' 'pub const fn stable_impl() -> u32'
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// @has - '//span[@class="since"]' '1.0.0 (const: 1.2.0)'
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#[stable(feature = "rust1", since = "1.0.0")]
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#[rustc_const_stable(feature = "rust1", since = "1.2.0")]
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pub const fn stable_impl() -> u32 { 42 }
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}
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