Re: [Boost-users] ptr_vector sort usage

Subject: Re: [Boost-users] ptr_vector sort usage
From: archie14 (admin_at_[hidden])
Date: 2010-08-05 11:36:38

Roman Perepelitsa <roman.perepelitsa <at> gmail.com> writes:

> class Compare
  {
> public:
>  Â  Â Compare (int i) : _i(i){}
>  Â  Â //this does not compile, but what's the proper way to define
>  Â  Â // function object for the sort method in ptr_vector?
>  Â  Â bool operator<(const A& v1, const A& v2)
>  Â  Â {
>  Â  Â  Â  return (v1.i > v2.i) &&(_i != 1);
>  Â  Â }
...
  };
> 
> Try making your operator const:
> Â Â bool operator<(const A& v1, const A& v2) const
> 
> Roman Perepelitsa.

No, it did not work. Complains that

binary 'operator <' has too many parameters