Re: [boost] Re: [ANN] Spirit C++ parser framework.

From: joel de guzman (joel_at_[hidden])
Date: 2001-05-25 19:12:36

From: "Greg Colvin" > > 
> > JDG: How about something like:
> > 
> > class More_ {} more;
> > 
> > IteratedParser     Parser::operator () (uint first);
> > IteratedParser     Parser::operator () (uint first, uint last);
> > IteratedParser     Parser::operator () (uint first, More_ last);
> 
> That works too, but how is it really better than
> 
> const int more = -1;
> IteratedParser     Parser::operator () (int first);
> IteratedParser     Parser::operator () (int first, int last);
> 

Yes. Taking int parameters require an additional assert
for invalid (negative) numbers apart from -1 for the
second arg. uint parameters do not require checking
for negative numbers.

Cheers,
Joel de Guzman