Re: More bind fun on MS

From: sgregory_at_[hidden]
Date: 2001-11-13 13:35:23

--- In boost_at_y..., "Peter Dimov" <pdimov_at_m...> wrote:
> From: <sgregory_at_c...>
> > Hello again
> > 
> > // pseudo-snippit
> > class Axis {
> >   bool AddTick(const double); // bool added for MS so as not to 
> > return void
> > };
> > 
> > Axis a;
> > std::list<double> l;
> > 
> > std::for_each(l.begin(), l.end(),
> >               boost::bind( &Raxis::AddTick, &a ) );
> > 
> > So... MS complains
> > 'bind' : none of the 2 overloads can convert parameter 1 from 
> > type 'bool (__thiscall Raxis::*)(const double)'
> > 
> > Huh?  Help?
> 
> Oops. My bad. Should be
> 
> boost::bind( &Axis::AddTick, &a, _1 ) // or &Raxis::AddTick?
> 
> since &Axis::AddTick takes two arguments, 'Axis * this' and 'const 
double'.

Actually - I mistyped the example - I did have _2 as the third 
parameter to bind.  But neither _1 nor _2 work.  Same error both 
ways...  (And in my real code it is Raxis. Example was typed, error 
was cut/paste)

Is is ok that AddTick takes a 'const double' ?

Thanks
sdg