bjoernager/rust
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Auto merge of #95697 - klensy:no-strings, r=petrochenkov

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refactor: simplify few string related interactions

Few small optimizations:

check_doc_keyword: don't alloc string for emptiness check
check_doc_alias_value: get argument as Symbol to prevent needless string convertions
check_doc_attrs: don't alloc vec, iterate over slice.
replace as_str() check with symbol check
get_single_str_from_tts: don't prealloc string
trivial string to str replace
LifetimeScopeForPath::NonElided use Vec<Symbol> instead of Vec<String>
AssertModuleSource use FxHashSet<Symbol> instead of BTreeSet<String>
CrateInfo.crate_name replace FxHashMap<CrateNum, String> with FxHashMap<CrateNum, Symbol>
This commit is contained in:
bors 2022-04-09 13:15:26 +00:00
commit 8c1fb2eb23
15 changed files with 56 additions and 65 deletions
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compiler/rustc_resolve/src/late/lifetimes.rs
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@ -587,7 +587,7 @@ fn get_lifetime_scopes_for_path(mut scope: &Scope<'_>) -> LifetimeScopeForPath {
match scope {
Scope::Binder { lifetimes, s, .. } => {
available_lifetimes.extend(lifetimes.keys().filter_map(|p| match p {
hir::ParamName::Plain(ident) => Some(ident.name.to_string()),
hir::ParamName::Plain(ident) => Some(ident.name),
_ => None,
}));
scope = s;