diff options
Diffstat (limited to 'compiler/rustc_parse/src/parser/expr.rs')
| -rw-r--r-- | compiler/rustc_parse/src/parser/expr.rs | 45 |
1 files changed, 22 insertions, 23 deletions
diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index 7533e75ffe2..e0e6c2177da 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -807,17 +807,20 @@ impl<'a> Parser<'a> { // Check if an illegal postfix operator has been added after the cast. // If the resulting expression is not a cast, it is an illegal postfix operator. if !matches!(with_postfix.kind, ExprKind::Cast(_, _)) { - let msg = format!("cast cannot be followed by {}", match with_postfix.kind { - ExprKind::Index(..) => "indexing", - ExprKind::Try(_) => "`?`", - ExprKind::Field(_, _) => "a field access", - ExprKind::MethodCall(_) => "a method call", - ExprKind::Call(_, _) => "a function call", - ExprKind::Await(_, _) => "`.await`", - ExprKind::Match(_, _, MatchKind::Postfix) => "a postfix match", - ExprKind::Err(_) => return Ok(with_postfix), - _ => unreachable!("parse_dot_or_call_expr_with_ shouldn't produce this"), - }); + let msg = format!( + "cast cannot be followed by {}", + match with_postfix.kind { + ExprKind::Index(..) => "indexing", + ExprKind::Try(_) => "`?`", + ExprKind::Field(_, _) => "a field access", + ExprKind::MethodCall(_) => "a method call", + ExprKind::Call(_, _) => "a function call", + ExprKind::Await(_, _) => "`.await`", + ExprKind::Match(_, _, MatchKind::Postfix) => "a postfix match", + ExprKind::Err(_) => return Ok(with_postfix), + _ => unreachable!("parse_dot_or_call_expr_with_ shouldn't produce this"), + } + ); let mut err = self.dcx().struct_span_err(span, msg); let suggest_parens = |err: &mut Diag<'_>| { @@ -1958,7 +1961,7 @@ impl<'a> Parser<'a> { } else { let err = self.dcx().create_err(errors::UnknownBuiltinConstruct { span: lo.to(ident.span), - name: ident.name, + name: ident, }); return Err(err); }; @@ -2095,7 +2098,7 @@ impl<'a> Parser<'a> { // point literal here, since there's no use of the exponent // syntax that also constitutes a valid integer, so we need // not check for that. - if suffix.map_or(true, |s| s == sym::f32 || s == sym::f64) + if suffix.is_none_or(|s| s == sym::f32 || s == sym::f64) && symbol.as_str().chars().all(|c| c.is_numeric() || c == '_') && self.token.span.hi() == next_token.span.lo() { @@ -2862,13 +2865,10 @@ impl<'a> Parser<'a> { .emit_err(errors::MissingExpressionInForLoop { span: expr.span.shrink_to_lo() }); let err_expr = self.mk_expr(expr.span, ExprKind::Err(guar)); let block = self.mk_block(thin_vec![], BlockCheckMode::Default, self.prev_token.span); - return Ok(self.mk_expr(lo.to(self.prev_token.span), ExprKind::ForLoop { - pat, - iter: err_expr, - body: block, - label: opt_label, - kind, - })); + return Ok(self.mk_expr( + lo.to(self.prev_token.span), + ExprKind::ForLoop { pat, iter: err_expr, body: block, label: opt_label, kind }, + )); } let (attrs, loop_block) = self.parse_inner_attrs_and_block()?; @@ -3114,9 +3114,8 @@ impl<'a> Parser<'a> { let span_before_body = this.prev_token.span; let arm_body; let is_fat_arrow = this.check(exp!(FatArrow)); - let is_almost_fat_arrow = TokenKind::FatArrow - .similar_tokens() - .is_some_and(|similar_tokens| similar_tokens.contains(&this.token.kind)); + let is_almost_fat_arrow = + TokenKind::FatArrow.similar_tokens().contains(&this.token.kind); // this avoids the compiler saying that a `,` or `}` was expected even though // the pattern isn't a never pattern (and thus an arm body is required) |