use subdiagnostic for sugesting add let

2022-11-08 16:04:14 +08:00
parent 667b15bb0e
commit 9e7d2287cd
5 changed files with 21 additions and 7 deletions
--- a/compiler/rustc_infer/src/errors/mod.rs
+++ b/compiler/rustc_infer/src/errors/mod.rs
@@ -180,6 +180,18 @@ pub enum SourceKindMultiSuggestion<'a> {
    },
 }

+#[derive(Subdiagnostic)]
+#[suggestion(
+    infer_suggest_add_let_for_letchains,
+    style = "verbose",
+    applicability = "machine-applicable",
+    code = "let "
+)]
+pub(crate) struct SuggAddLetForLetChains {
+    #[primary_span]
+    pub span: Span,
+}
+
 impl<'a> SourceKindMultiSuggestion<'a> {
    pub fn new_fully_qualified(
        span: Span,