RE: [Dev-C++] STL sort() problem

[Ioannis V. <no...@ho...>]

> -----Original Message-----
> From: Abhijit Shylanath [mailto:mu...@gm...] 
> Sent: Monday, August 19, 2002 11:24 PM
> To: Ioannis Vranos; Dev-C++ Mailing List
> Subject: Re: [Dev-C++] STL sort() problem
> 
> 
> > > I tried doing
> > > this:
> > >
> > >     bool operator <(const PlsLine &left, const PlsLine &right)
> > >
> > > and the compile worked, but it doesn't seem to sort.
> > > Any work-around?
> >
> >
> > Yes, you probably made some logical error in the definition of
> > operator<(). Send us its definition.
> >
> 
> The mistake was that the vector was still instantiated with 
> PlsLine *, not
> with PlsLine. It's working now, thanks.


Good.


> Just for the record, 
> the other form
> of sort() which takes a comparison function also works, as Eddy said.


It is the same sort(). It uses < as default. If the default works do not
use a comparison function or function object. The default is usually
more optimised. Also try to make the operator<() inline (either a member
function or a regular function).



Ioannis

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