copy ---------------- Motivation ~~~~~~~~~~ This will make a copy of the parameter. This is the default behavior when passing parameters by-value. Note that this can only be used when passing from C++ to Lua. This policy requires that the parameter type has an accessible copy constructor. Defined in ~~~~~~~~~~ .. parsed-literal:: #include <luabind/copy_policy.hpp> Synopsis ~~~~~~~~ .. parsed-literal:: copy(index) Parameters ~~~~~~~~~~ ============= =============================================================== Parameter Purpose ============= =============================================================== ``index`` The index to copy. ``result`` when used while wrapping C++ functions. ``_N`` when passing arguments to Lua. ============= =============================================================== Example ~~~~~~~ .. parsed-literal:: X* get() { static X instance; return &instance; } ... module(L) [ def("create", &create, **copy(result)**) ];