Method stateless_reference

extlibs/sol3/include/sol/sol.hpp:8623–8629

		}

		stateless_reference(lua_State* L, detail::global_tag) noexcept {
#if defined(SOL_SAFE_STACK_CHECK) && SOL_SAFE_STACK_CHECK
			luaL_checkstack(L, 1, "not enough Lua stack space to push this reference value");
#endif // make sure stack doesn't overflow
			lua_pushglobaltable(L);
			ref = luaL_ref(L, LUA_REGISTRYINDEX);
		}

		stateless_reference(int raw_ref_index) noexcept : ref(raw_ref_index) {
		}