Restrict C++ Template Parameter to Subclass

Question

How can I force a template parameter T to be a subclass of a specific class Baseclass? Something like this:

template 

        

Answer 1

You could use Boost Concept Check's BOOST_CONCEPT_REQUIRES:

#include 
#include 

template 
BOOST_CONCEPT_REQUIRES(
    ((boost::Convertible)),
(void)) function()
{
    //...
}