bjoernager/rust
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Rollup merge of #122530 - klensy:as_str, r=fee1-dead

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less symbol interner locks

This reduces instructions under 1% (in rustdoc run), but essentially free.
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Guillaume Gomez 2024-03-15 17:24:10 +01:00 • committed by GitHub
commit 6ec4092eaf
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2 changed files with 8 additions and 6 deletions
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7
compiler/rustc_resolve/src/rustdoc.rs
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@ -167,12 +167,13 @@ pub fn unindent_doc_fragments(docs: &mut [DocFragment]) {
///
/// Note: remove the trailing newline where appropriate
pub fn add_doc_fragment(out: &mut String, frag: &DocFragment) {
let s = frag.doc.as_str();
let mut iter = s.lines();
if s.is_empty() {
if frag.doc == kw::Empty {
out.push('\n');
return;
}
let s = frag.doc.as_str();
let mut iter = s.lines();
while let Some(line) = iter.next() {
if line.chars().any(|c| !c.is_whitespace()) {
assert!(line.len() >= frag.indent);