bjoernager/rust
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Use ThinVec in ast::Impl and related types.

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This commit is contained in:
Nicholas Nethercote 2022-11-22 16:32:08 +11:00
parent 068db466e8
commit 6a56c3a930
3 changed files with 9 additions and 8 deletions
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6
compiler/rustc_parse/src/parser/item.rs
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@ -646,20 +646,20 @@ impl<'a> Parser<'a> {
&mut self,
attrs: &mut AttrVec,
mut parse_item: impl FnMut(&mut Parser<'a>) -> PResult<'a, Option<Option<T>>>,
) -> PResult<'a, Vec<T>> {
) -> PResult<'a, ThinVec<T>> {
let open_brace_span = self.token.span;
// Recover `impl Ty;` instead of `impl Ty {}`
if self.token == TokenKind::Semi {
self.sess.emit_err(errors::UseEmptyBlockNotSemi { span: self.token.span });
self.bump();
return Ok(vec![]);
return Ok(ThinVec::new());
}
self.expect(&token::OpenDelim(Delimiter::Brace))?;
attrs.extend(self.parse_inner_attributes()?);
let mut items = Vec::new();
let mut items = ThinVec::new();
while !self.eat(&token::CloseDelim(Delimiter::Brace)) {
if self.recover_doc_comment_before_brace() {
continue;