#include <iostream>
#include<string>
struct Name
{
bool valid()
{
return true;
}
int value ()
{
return 5;
}
};
struct Server1
{
Name getX()
{
std::cout<<"getX called"<<std::endl;
return Name();
}
};
struct Server2
{
Name getY()
{
std::cout<<"getY called"<<std::endl;
return Name();
}
};
template<typename ParamX, typename RType>
//--vvvv---------------------->auto type deduction
auto funcX(ParamX param,RType (ParamX::*callable)()){
std::cout<<"funcX called"<<std::endl;
auto result = ((param.*callable)());
// check result is valid
if(!result.valid()){
// print a log message for ParamX
// add appropriate return statement if needed
}
return result.value();
}
int main()
{
funcX(Server1(), &Server1::getX);
funcX(Server2(), &Server2::getY);
return 0;
}
