8000 rustdoc: Speed up `TypeAliasPart::get` by nnethercote · Pull Request #141421 · rust-lang/rust · GitHub
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rustdoc: Speed up TypeAliasPart::get #141421

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Merged
merged 3 commits into from
May 24, 2025
Merged

rustdoc: Speed up TypeAliasPart::get #141421

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a7baf4b
Simplify the "is some" test in `TypeAliasPart::get`.
nnethercote May 23, 2025
e01f407
Move code inside the `else` in `TypeAliasPart::get`.
nnethercote May 23, 2025
dfe8fe8
Simplify things a little more.
nnethercote May 23, 2025
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Simplify things a little more.
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@nnethercote
nnethercote committed May 23, 2025
commit dfe8fe88f03e1d72b170b7cd056026e0a932c5be
9 changes: 3 additions & 6 deletions src/librustdoc/html/render/write_shared.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -611,7 +611,7 @@ impl TypeAliasPart {
.impl_
.values()
.flat_map(|AliasedTypeImpl { impl_, type_aliases }| {
let mut ret = Vec::new();
let mut ret: Vec<AliasSerializableImpl> = Vec::new();
let trait_ = impl_
.inner_impl()
.trait_
Expand All @@ -624,11 +624,8 @@ impl TypeAliasPart {
cx.id_map.borrow_mut().clear();
cx.deref_id_map.borrow_mut().clear();
let type_alias_fqp = (*type_alias_fqp).iter().join("::");
if ret.last().map(|s: &AliasSerializableImpl| &s.text).is_some() {
ret.last_mut()
.expect("already established that ret.last() is Some()")
.aliases
.push(type_alias_fqp);
if let Some(last) = ret.last_mut() {
last.aliases.push(type_alias_fqp);
} else {
let target_did = impl_
.inner_impl()
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