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This commit is contained in:
r0cky 2023-08-03 05:18:19 +00:00
parent f5243d2bfc
commit 41e85c3d23
1 changed files with 4 additions and 2 deletions
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6
compiler/rustc_parse/src/parser/pat.rs
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@ -139,7 +139,7 @@ impl<'a> Parser<'a> {
}; };
// Parse the first pattern (`p_0`). // Parse the first pattern (`p_0`).
let mut first_pat = self.parse_pat_no_top_alt(expected, syntax_loc.clone())?; let mut first_pat = self.parse_pat_no_top_alt(expected, syntax_loc)?;
if rc == RecoverComma::Yes { if rc == RecoverComma::Yes {
self.maybe_recover_unexpected_comma(first_pat.span, rt)?; self.maybe_recover_unexpected_comma(first_pat.span, rt)?;
} }
@ -813,7 +813,9 @@ impl<'a> Parser<'a> {
| token::DotDotDot | token::DotDotEq | token::DotDot // A range pattern. | token::DotDotDot | token::DotDotEq | token::DotDot // A range pattern.
| token::ModSep // A tuple / struct variant pattern. | token::ModSep // A tuple / struct variant pattern.
| token::Not)) // A macro expanding to a pattern. | token::Not)) // A macro expanding to a pattern.
&& !(self.look_ahead(1, |t| t.kind == token::Lt) && self.look_ahead(2, |t| t.can_begin_type())) // May suggest the turbofish syntax for generics, only valid for recoveries. // May suggest the turbofish syntax for generics, only valid for recoveries.
&& !(self.look_ahead(1, |t| t.kind == token::Lt)
&& self.look_ahead(2, |t| t.can_begin_type()))
} }
/// Parses `ident` or `ident @ pat`. /// Parses `ident` or `ident @ pat`.