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Rollup merge of #53801 - GuillaumeGomez:duplicated-foreign-type-impls, r=QuietMisdreavus

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Prevent duplicated impl on foreign types

Fixes #53689.

r? @QuietMisdreavus
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kennytm 2018-09-01 21:14:15 +08:00 committed by GitHub
commit f37081499b
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1 changed files with 9 additions and 5 deletions
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6
src/librustdoc/html/render.rs
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@ -2956,14 +2956,18 @@ fn item_trait(
</h2> </h2>
")?; ")?;
let mut foreign_cache = FxHashSet();
for implementor in foreign { for implementor in foreign {
if foreign_cache.insert(implementor.inner_impl().to_string()) {
let assoc_link = AssocItemLink::GotoSource( let assoc_link = AssocItemLink::GotoSource(
implementor.impl_item.def_id, &implementor.inner_impl().provided_trait_methods implementor.impl_item.def_id,
&implementor.inner_impl().provided_trait_methods
); );
render_impl(w, cx, &implementor, assoc_link, render_impl(w, cx, &implementor, assoc_link,
RenderMode::Normal, implementor.impl_item.stable_since(), false)?; RenderMode::Normal, implementor.impl_item.stable_since(), false)?;
} }
} }
}
write!(w, "{}", impl_header)?; write!(w, "{}", impl_header)?;
for implementor in concrete { for implementor in concrete {