From fe51b5bb71f7eadf6072a51c31c0ffee91c815c8 Mon Sep 17 00:00:00 2001
From: olpc user <olpc@xo-5d-f7-86.localdomain>
Date: Mon, 23 Dec 2019 13:11:16 -0800
Subject: some bugfixes

---
 starts/meaning-vm/level-0/baseref.hpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'starts/meaning-vm/level-0')

diff --git a/starts/meaning-vm/level-0/baseref.hpp b/starts/meaning-vm/level-0/baseref.hpp
index d20b22a..9244492 100644
--- a/starts/meaning-vm/level-0/baseref.hpp
+++ b/starts/meaning-vm/level-0/baseref.hpp
@@ -68,6 +68,17 @@ public:
 	concept*& ptr() { return p; }
 	concept* const & ptr() const { return p; }
 
+	operator level0::ref const &() const { return *reinterpret_cast<level0::ref*>(this); }
+	operator level1::ref const &() const { return *reinterpret_cast<level1::ref*>(this); }
+	operator level2::ref const &() const { return *reinterpret_cast<level2::ref*>(this); }
+	operator level3::ref const &() const { return *reinterpret_cast<level3::ref*>(this); }
+	operator level4::ref const &() const { return *reinterpret_cast<level4::ref*>(this); }
+	operator level5::ref const &() const { return *reinterpret_cast<level5::ref*>(this); }
+	operator level6::ref const &() const { return *reinterpret_cast<level6::ref*>(this); }
+	operator level7::ref const &() const { return *reinterpret_cast<level7::ref*>(this); }
+	operator level8::ref const &() const { return *reinterpret_cast<level8::ref*>(this); }
+	operator level9::ref const &() const { return *reinterpret_cast<level9::ref*>(this); }
+
 	operator level0::ref &() { return *reinterpret_cast<level0::ref*>(this); }
 	operator level1::ref &() { return *reinterpret_cast<level1::ref*>(this); }
 	operator level2::ref &() { return *reinterpret_cast<level2::ref*>(this); }
-- 
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