std::cout << "=== safe_script usage ===" << std::endl;

sol::state lua;

// uses sol::script_default_on_error, which either panics or

// throws, depending on your configuration and compiler

// settings

try {

auto result1 = lua.safe_script("bad.code");

}

catch (const sol::error& e) {

std::cout << "an expected error has occurred: "

<< e.what() << std::endl;

}

// a custom handler that you write yourself

// is only called when an error happens with loading or

// running the script

auto result2 = lua.safe_script("123 bad.code",

[](lua_State*, sol::protected_function_result pfr) {

// pfr will contain things that went wrong, for

// either loading or executing the script the user

// can do whatever they like here, including

// throw. Otherwise...

sol::error err = pfr;

std::cout

<< "An error (an expected one) occurred: "

<< err.what() << std::endl;

// ... they need to return the

// protected_function_result

return pfr;

});

std::cout << std::endl;

return 0;