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nnethercote · nnethercote · commit 219389360c0b · 2024-06-19T18:53:24.000+10:00
Something that was non-obvious to me.
diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs
@@ -972,7 +972,9 @@ impl UnOp {
     }
 }
 
-/// A statement
+/// A statement. No `attrs` or `tokens` fields because each `StmtKind` variant
+/// contains an AST node with those fields. (Except for `StmtKind::Empty`,
+/// which never has attrs or tokens)
 #[derive(Clone, Encodable, Decodable, Debug)]
 pub struct Stmt {
     pub id: NodeId,

Original file line number	Diff line number	Diff line change
`@@ -972,7 +972,9 @@ impl UnOp {`
`972`	`972`	`}`
`973`	`973`	`}`
`974`	`974`
`975`		`-/// A statement`
	`975`	+/// A statement. No `attrs` or `tokens` fields because each `StmtKind` variant
	`976`	+/// contains an AST node with those fields. (Except for `StmtKind::Empty`,
	`977`	`+/// which never has attrs or tokens)`
`976`	`978`	`#[derive(Clone, Encodable, Decodable, Debug)]`
`977`	`979`	`pub struct Stmt {`
`978`	`980`	`pub id: NodeId,`