c++ - A function return different object based on its parameter? -

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i have bunch of functions this: 

void business::convertdatatolistentityoftypex() // x = a,b,c.....  {      qbytearray tmp = getdata();     bool ok;     qvariantlist result = parse (tmp,&ok);      if (ok) {          (int = 0; < result.size(); ++i) {             typexentity e;              convertvarianttotypexentity(result[i],e);             typexentitylist.push_back(e);//typexentitylist private variables in business         }     }   }

i want group them 1 function this

enum type{typea, typeb}; void business::convertdatatolistentity(type tp)  {      qbytearray tmp = getdata();     bool ok;     qvariantlist result = parse (tmp,&ok);      if (ok) {          (int = 0; < result.size(); ++i) {             typexentity e;// need magic function map enum typexentity              convertvarianttotypexentity(result[i],e);             typexentitylist.push_back(e);//need magic function map enum typexentitylist         }     }   }

so there possible way qt or boost (qt prefered ) ?

any ideas appreciated :)


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