#include <iostream>
#include <string>

int returnint(const char foo = 'x'){
        char bar = 'r';
        switch(bar){
                case foo:
                        std::cout << "have " << foo << '\n';
                default:
                        std::cout << "something else\n";
        }
        return 0;
}

int main(){
        returnint();
        returnint('g');
        returnint('r');
}