Reserve gen keyword for gen {} blocks and gen fn in 2024 edition

2023-10-05 11:30:55 +00:00
parent ccb160d343
commit a61cf673cd
14 changed files with 138 additions and 4 deletions
--- a/compiler/rustc_ast/src/ast.rs
+++ b/compiler/rustc_ast/src/ast.rs
@@ -2357,6 +2357,12 @@ pub enum Async {
    No,
 }

+#[derive(Copy, Clone, Encodable, Decodable, Debug)]
+pub enum Gen {
+    Yes { span: Span, closure_id: NodeId, return_impl_trait_id: NodeId },
+    No,
+}
+
 impl Async {
    pub fn is_async(self) -> bool {
        matches!(self, Async::Yes { .. })