Add error code for missing base expression in struct update syntax

2023-05-26 13:49:01 +00:00
parent 5876c8cdfd
commit f1b8b7d7ae
5 changed files with 38 additions and 6 deletions
--- a/compiler/rustc_ast_lowering/src/errors.rs
+++ b/compiler/rustc_ast_lowering/src/errors.rs
@@ -114,10 +114,10 @@ pub struct UnderscoreExprLhsAssign {
 }

 #[derive(Diagnostic, Clone, Copy)]
-#[diag(ast_lowering_base_expression_double_dot)]
+#[diag(ast_lowering_base_expression_double_dot, code = "E0797")]
 pub struct BaseExpressionDoubleDot {
    #[primary_span]
-    #[label]
+    #[suggestion(code = "/* expr */", applicability = "has-placeholders", style = "verbose")]
    pub span: Span,
 }