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Fix empty-set symbol in comments

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David Tolnay 2024-04-16 18:19:27 -07:00
parent 3fba278231
commit e480cabe3a
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3 changed files with 3 additions and 3 deletions
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2
compiler/rustc_ast/src/token.rs
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@ -51,7 +51,7 @@ pub enum Delimiter {
Brace,
/// `[ ... ]`
Bracket,
/// `Ø ... Ø`
/// `∅ ... ∅`
/// An invisible delimiter, that may, for example, appear around tokens coming from a
/// "macro variable" `$var`. It is important to preserve operator priorities in cases like
/// `$var * 3` where `$var` is `1 + 2`.

2
compiler/rustc_parse/src/parser/item.rs
View File

@ -1063,7 +1063,7 @@ impl<'a> Parser<'a> {
/// Parses a `UseTreeKind::Nested(list)`.
///
/// ```text
/// USE_TREE_LIST = Ø | (USE_TREE `,`)* USE_TREE [`,`]
/// USE_TREE_LIST = ∅ | (USE_TREE `,`)* USE_TREE [`,`]
/// ```
fn parse_use_tree_list(&mut self) -> PResult<'a, ThinVec<(UseTree, ast::NodeId)>> {
self.parse_delim_comma_seq(Delimiter::Brace, |p| {

2
library/proc_macro/src/lib.rs
View File

@ -811,7 +811,7 @@ pub enum Delimiter {
/// `[ ... ]`
#[stable(feature = "proc_macro_lib2", since = "1.29.0")]
Bracket,
/// `Ø ... Ø`
/// `∅ ... ∅`
/// An invisible delimiter, that may, for example, appear around tokens coming from a
/// "macro variable" `$var`. It is important to preserve operator priorities in cases like
/// `$var * 3` where `$var` is `1 + 2`.