diff options
| -rw-r--r-- | compiler/rustc_parse/src/parser/item.rs | 18 | ||||
| -rw-r--r-- | src/test/ui/parser/removed-syntax-field-let.stderr | 10 |
2 files changed, 25 insertions, 3 deletions
diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs index 25425fbb2c6..e82044a89c4 100644 --- a/compiler/rustc_parse/src/parser/item.rs +++ b/compiler/rustc_parse/src/parser/item.rs @@ -1788,7 +1788,23 @@ impl<'a> Parser<'a> { } } } else { - self.expected_ident_found() + let mut err = self.expected_ident_found(); + if let Some((ident, _)) = self.token.ident() && ident.as_str() == "let" { + self.bump(); // `let` + let span = self.prev_token.span.until(self.token.span); + err.span_suggestion( + span, + "remove the let, the `let` keyword is not allowed in struct field definitions", + String::new(), + Applicability::MachineApplicable, + ); + err.note("the `let` keyword is not allowed in `struct` fields"); + err.note("see <https://doc.rust-lang.org/book/ch05-01-defining-structs.html> for more information"); + err.emit(); + self.bump(); + return Ok(ident); + } + err }; return Err(err); } diff --git a/src/test/ui/parser/removed-syntax-field-let.stderr b/src/test/ui/parser/removed-syntax-field-let.stderr index ab3d2056581..bd1b23f7e3b 100644 --- a/src/test/ui/parser/removed-syntax-field-let.stderr +++ b/src/test/ui/parser/removed-syntax-field-let.stderr @@ -1,10 +1,16 @@ error: expected identifier, found keyword `let` --> $DIR/removed-syntax-field-let.rs:2:5 | -LL | struct S { - | - while parsing this struct LL | let foo: (), | ^^^ expected identifier, found keyword + | + = note: the `let` keyword is not allowed in `struct` fields + = note: see <https://doc.rust-lang.org/book/ch05-01-defining-structs.html> for more information +help: remove the let, the `let` keyword is not allowed in struct field definitions + | +LL - let foo: (), +LL + foo: (), + | error: aborting due to previous error |