// Creates an InvRef and leaves it on top of stack
// Not callable from Lua; all references are created on the C side.
static void create(lua_State *L, const InventoryLocation &loc);
// Creates an InvRef and leaves it on top of stack
// Not callable from Lua; all references are created on the C side.
static void create(lua_State *L, const InventoryLocation &loc);