/** \file * * Standalone example for usage of the proxy type */ #include #include #include #include using namespace std; using namespace crepe; void test_ro_ref(const int & val) {} void test_rw_ref(int & val) {} void test_ro_val(int val) {} int main() { auto & cfg = Config::get_instance(); cfg.log.level = LogLevel::DEBUG; int real_value = 0; ValueBroker broker{ [&real_value](const int & target) { dbg_logf("set %s to %s", to_string(real_value).c_str(), to_string(target).c_str()); real_value = target; }, [&real_value]() -> const int & { dbg_logf("get %s", to_string(real_value).c_str()); return real_value; }, }; Proxy proxy{broker}; broker.set(54); proxy = 84; test_ro_ref(proxy); // this is allowed // test_rw_ref(proxy); // this should throw a compile error test_ro_val(proxy); return 0; }