Out of declaration template definitions for template method in template class

Question

Does anyone know the syntax for an out-of-declaration template method in a template class.

for instance:

template<class TYPE>
class thing
{
public :
  void do_very_little();

  template<class INNER_TYPE>
  INNER_TYPE do_stuff();
};

The first method is defined:

template<class TYPE>
void thing<TYPE>::do_very_little()
{
}

How do I do the second one, "do_stuff"?

Answer 1

template<class TYPE>
template<class INNER_TYPE>
INNER_TYPE thing<TYPE>::do_stuff()
{
    return INNER_TYPE();
}

Try this.