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Stop showing impl items for negative impls

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This commit is contained in:
Guillaume Gomez 2024-08-10 15:03:24 +02:00
parent 6d69b2e408
commit 6a90be31b1
3 changed files with 27 additions and 19 deletions
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4
src/librustdoc/clean/types.rs
View File

@ -2446,6 +2446,10 @@ pub(crate) fn provided_trait_methods(&self, tcx: TyCtxt<'_>) -> FxHashSet<Symbol
.map(|did| tcx.provided_trait_methods(did).map(|meth| meth.name).collect())
.unwrap_or_default()
}
pub(crate) fn is_negative_trait_impl(&self) -> bool {
matches!(self.polarity, ty::ImplPolarity::Negative)
}
}
#[derive(Clone, Debug)]

5
src/librustdoc/html/format.rs
View File

@ -1285,9 +1285,8 @@ pub(crate) fn print<'a, 'tcx: 'a>(
f.write_str(" ")?;
if let Some(ref ty) = self.trait_ {
match self.polarity {
ty::ImplPolarity::Positive | ty::ImplPolarity::Reservation => {}
ty::ImplPolarity::Negative => write!(f, "!")?,
if self.is_negative_trait_impl() {
write!(f, "!")?;
}
ty.print(cx).fmt(f)?;
write!(f, " for ")?;

37
src/librustdoc/html/render/mod.rs
View File

@ -1780,20 +1780,23 @@ fn doc_impl_item(
let mut impl_items = Buffer::empty_from(w);
let mut default_impl_items = Buffer::empty_from(w);
let impl_ = i.inner_impl();
for trait_item in &i.inner_impl().items {
doc_impl_item(
&mut default_impl_items,
&mut impl_items,
cx,
trait_item,
if trait_.is_some() { &i.impl_item } else { parent },
link,
render_mode,
false,
trait_,
rendering_params,
);
if !impl_.is_negative_trait_impl() {
for trait_item in &impl_.items {
doc_impl_item(
&mut default_impl_items,
&mut impl_items,
cx,
trait_item,
if trait_.is_some() { &i.impl_item } else { parent },
link,
render_mode,
false,
trait_,
rendering_params,
);
}
}
fn render_default_items(
@ -1844,13 +1847,15 @@ fn render_default_items(
// We don't emit documentation for default items if they appear in the
// Implementations on Foreign Types or Implementors sections.
if rendering_params.show_default_items {
if let Some(t) = trait_ {
if let Some(t) = trait_
&& !impl_.is_negative_trait_impl()
{
render_default_items(
&mut default_impl_items,
&mut impl_items,
cx,
t,
i.inner_impl(),
impl_,
&i.impl_item,
render_mode,
rendering_params,
@ -1882,7 +1887,7 @@ fn render_default_items(
}
if let Some(ref dox) = i.impl_item.opt_doc_value() {
if trait_.is_none() && i.inner_impl().items.is_empty() {
if trait_.is_none() && impl_.items.is_empty() {
w.write_str(
"<div class=\"item-info\">\
<div class=\"stab empty-impl\">This impl block contains no items.</div>\