From 7a9167e42db026bccf96721aad7cc5c87d18a634 Mon Sep 17 00:00:00 2001
From: Roland Conybeare <rconybeare@gmail.com>
Date: Thu, 26 Mar 2026 15:05:30 -0400
Subject: [PATCH] xo-expression2: bugfix: missing type registration

For collectable types DVarRef,DApplyExpr
---
 src/expression2/SetupExpression2.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/expression2/SetupExpression2.cpp b/src/expression2/SetupExpression2.cpp
index 5e86e795..e43d01ec 100644
--- a/src/expression2/SetupExpression2.cpp
+++ b/src/expression2/SetupExpression2.cpp
@@ -134,8 +134,9 @@ namespace xo {
             ok &= gc.install_type(impl_for<AGCObject, DConstant>());
             ok &= gc.install_type(impl_for<AGCObject, DVariable>());
             ok &= gc.install_type(impl_for<AGCObject, DTypename>());
+            ok &= gc.install_type(impl_for<AGCObject, DVarRef>());
             ok &= gc.install_type(impl_for<AGCObject, DDefineExpr>());
-            //ok &= gc.install_type(impl_for<AGCObject, DApplyExpr>());   // when avail
+            ok &= gc.install_type(impl_for<AGCObject, DApplyExpr>());
             ok &= gc.install_type(impl_for<AGCObject, DLambdaExpr>());
             ok &= gc.install_type(impl_for<AGCObject, DIfElseExpr>());
             ok &= gc.install_type(impl_for<AGCObject, DSequenceExpr>());