Implement macro-based deref!() syntax for deref patterns

Stop using `box PAT` syntax for deref patterns, as it's misleading and also causes their semantics being tangled up.
2024-03-20 16:53:50 -04:00
parent 2627e9f301
commit 2d633317f3
31 changed files with 123 additions and 35 deletions
--- a/compiler/rustc_ast_pretty/src/pprust/state.rs
+++ b/compiler/rustc_ast_pretty/src/pprust/state.rs
@@ -1626,6 +1626,12 @@ impl<'a> State<'a> {
                self.word("box ");
                self.print_pat(inner);
            }
+            PatKind::Deref(inner) => {
+                self.word("deref!");
+                self.popen();
+                self.print_pat(inner);
+                self.pclose();
+            }
            PatKind::Ref(inner, mutbl) => {
                self.word("&");
                if mutbl.is_mut() {