Re: [ALACPP] container streaming, sigh

[Gavin Doughtie <gavin@xxxxxxxxxxxx>]

Hm, I was hoping to somehow bind directly to operator<< (though it won't have the endl I want).

On Fri, Aug 15, 2003 at 10:27:01AM -0700, Jason Fredrickson wrote:
> Well, I'd just create some global function, so:
> 
> Namespace _Utility
> {
> 	void Serialize(ostream &lhs, const string &rhs) {
> 		lhs << rhs << std::endl; }
> }
> 
> ostream& operator << (ostream& str, const vector<string> & rhs) {
> 	for_each(rhs.begin(), rhs.end(),
> boost::bind(&_Utility::Serialize, str, _1));
> 	return str;
> }
> 
> You still have the function, but you don't need all the reification
> overhead - bind does that for you.
> 
> Jason
> 
> Jason Fredrickson
> Vice-President, Operations
> Agile Solutions
> Jason.Fredrickson@xxxxxxxxxxxx
> (626) 644-7280
>  
> 
> 
> > -----Original Message-----
> > From: alacpp-bounces@xxxxxxxxxxx 
> > [mailto:alacpp-bounces@xxxxxxxxxxx] On Behalf Of Gavin Doughtie
> > Sent: Friday, August 15, 2003 10:18 AM
> > To: ALACPP Mailing List
> > Subject: [ALACPP] container streaming, sigh
> > 
> > 
> > ok, how about this. I want operator<<(ostream& str, 
> > vector<string> vals)
> > 
> > This is my current implementation:
> > 
> > class Outputter
> > {
> > public:
> >     Outputter(ostream& str)
> >         :mStr(str) {}
> > 
> >     ostream& operator()(const string &rhs) {
> >         return mStr << rhs << endl;
> >     }
> > 
> > private:
> >     ostream& mStr;
> > };
> > 
> > ostream& operator << (ostream& str, const vector<string> & rhs) {
> >     for_each(rhs.begin(), rhs.end(), Outputter(str));
> >     return str;
> > }
> > 
> > But I think the whole Outputter class thingie can be ditched 
> > in favor of a clever bind, which I can't seem to get right. 
> > Volunteers?
> > 
> > Gavin
> > _______________________________________________
> > alacpp mailing list
> > alacpp@xxxxxxxxxxx http://lists.ellipsis.cx/mailman/listinfo/alacpp
> > 
> 
> 
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