Re: [Boost-users] ptr_vector sort usage

Subject: Re: [Boost-users] ptr_vector sort usage
From: Roman Perepelitsa (roman.perepelitsa_at_[hidden])
Date: 2010-08-05 10:03:35

2010/8/5 archie14 <admin_at_[hidden]>

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

Try making your operator const:
  bool operator<(const A& v1, const A& v2) *const*

Roman Perepelitsa.