bjoernager/rust
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parse const closures

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This commit is contained in:
Deadbeef 2022-12-20 16:15:55 +00:00
parent 56ee65aeb6
commit 4fb10c0ce4
16 changed files with 63 additions and 12 deletions
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10
compiler/rustc_parse/src/parser/mod.rs
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@ -736,6 +736,16 @@ impl<'a> Parser<'a> {
self.check_or_expected(self.token.can_begin_const_arg(), TokenType::Const)
}
fn check_const_closure(&self) -> bool {
self.is_keyword_ahead(0, &[kw::Const])
&& self.look_ahead(1, |t| match &t.kind {
token::Ident(kw::Move | kw::Static | kw::Async, _)
| token::OrOr
| token::BinOp(token::Or) => true,
_ => false,
})
}
fn check_inline_const(&self, dist: usize) -> bool {
self.is_keyword_ahead(dist, &[kw::Const])
&& self.look_ahead(dist + 1, |t| match &t.kind {