resolve ambiguous ‘operator==’ (‘int’ vs ‘const luabridge::LuaRef’)

1 files changed, 6 insertions, 3 deletions

diff --git a/gtk2_ardour/luainstance.cc b/gtk2_ardour/luainstance.cc
index 73454d0369..2ab50340d0 100644
--- a/gtk2_ardour/luainstance.cc
+++ b/gtk2_ardour/luainstance.cc
@@ -1114,15 +1114,18 @@ LuaCallback::connect_2 (enum LuaSignal::LuaSignal ls, T ref, PBD::Signal2<void,
 
 template <typename T> void
 LuaCallback::proxy_0 (enum LuaSignal::LuaSignal ls, T ref) {
-	if (0 == (*_lua_call)((int)ls, ref)) { drop_callback (); /* EMIT SIGNAL */}
+	luabridge::LuaRef rv ((*_lua_call)((int)ls, ref));
+	if (! rv.cast<bool> ()) { drop_callback (); /* EMIT SIGNAL */}
 }
 
 template <typename T, typename C1> void
 LuaCallback::proxy_1 (enum LuaSignal::LuaSignal ls, T ref, C1 a1) {
-	if (0 == (*_lua_call)((int)ls, ref, a1)) { drop_callback (); /* EMIT SIGNAL */}
+	luabridge::LuaRef rv ((*_lua_call)((int)ls, ref, a1));
+	if (! rv.cast<bool> ()) { drop_callback (); /* EMIT SIGNAL */}
 }
 
 template <typename T, typename C1, typename C2> void
 LuaCallback::proxy_2 (enum LuaSignal::LuaSignal ls, T ref, C1 a1, C2 a2) {
-	if (0 == (*_lua_call)((int)ls, ref, a1, a2)) { drop_callback (); /* EMIT SIGNAL */}
+	luabridge::LuaRef rv ((*_lua_call)((int)ls, ref, a1, a2));
+	if (! rv.cast<bool> ()) { drop_callback (); /* EMIT SIGNAL */}
 }