add guard patterns to HIR and implement lowering

2024-08-24 21:56:12 -07:00
parent d117b7f211
commit b579c36224
11 changed files with 40 additions and 7 deletions
--- a/compiler/rustc_hir_pretty/src/lib.rs
+++ b/compiler/rustc_hir_pretty/src/lib.rs
@@ -1999,6 +1999,12 @@ impl<'a> State<'a> {
                self.commasep(Inconsistent, after, |s, p| s.print_pat(p));
                self.word("]");
            }
+            PatKind::Guard(inner, cond) => {
+                self.print_pat(inner);
+                self.space();
+                self.word_space("if");
+                self.print_expr(cond);
+            }
            PatKind::Err(_) => {
                self.popen();
                self.word("/*ERROR*/");