lst-0031-godb.cpp
//#(compile) c++; compiler:g141; options:-O3 -std=c++23; libs:-
// https://godbolt.org/z/98x3YsnKc
const Widget createWidget() { // return as const value
Widget result{};
return result;
}
int main() {
Widget w = createWidget(); // copied into new non-const w
w.setNumber(100); // w is non-const, changing is okay
}