Re: [Boost-users] Templated Class as Polymorphic Function Parameter

From: Roman Perepelitsa (roman.perepelitsa_at_[hidden])
Date: 2008-07-08 11:15:41

Joshua Perry <josh <at> 6bit.com> writes:
> Now that I have the streams, I have a class that communicates with the device
and I would like to construct or initialize an object of that class with any one
of the streams.  I have yet to figure out how to form the constructor/function
parameter to allow this.
> 
> I've tried something like this, a stream of the base type of my devices:
> void init( stream< device<bidirectional> > str);

Something like this?

struct foo
{
  void init(std::iostream& strm)
  {
    m_strm = &strm;
  }
private:
  std::iostream* m_strm;
};

Roman Perepelitsa.