🚀 go-pugleaf

In article <4jdvnj$o35@mulga.cs.mu.OZ.AU>, fjh@munta.cs.mu.OZ.AU (Fergus
Henderson) wrote:

> Philippe Verdy <100105.3120@compuserve.com> writes:
> 
> >template <class T, class CT>
> >class SmartPtr2  {
> >   SmartPtr2(T* p) { mp = const_cast<CT>(p) ; }
> >   CT & Dereference() {
> >     return *mp ;
> >   }
> > private :
> >   CT *mp ;
> >} ;
> >template <class T> class ConstSmartPtr : SmartPtr<T, T> {} ;
> >template <class T> class FreeSmartPtr : SmartPtr<T, const T> {} ;
> 
> You forgot to delegate the constructors.
> 
> (Of course, if C++ supported tempate typedefs, there wouldn't be
> any need to delegate constructors in examples like this.
> Unfortunately it doesn't.)

What does it mean to "delegate constructors?"  I looked it up in Coplien,
Advanced C++, and he talks about delegation to mean different classes
sharing functionality dynamically.  

What do you mean here?  

Jim Christodouleas
jchristo@mit.edu
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