Re: [Boost-users] multi_index with base class member

Subject: Re: [Boost-users] multi_index with base class member
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2009-11-05 12:29:27

AMDG

david joeyoung wrote:
> please give me some advices.
>
> I get a compile error,when to index on base class member.
>
> the codes are listed below:
>
> struct Foo
> {
>   int a;
> };
>
> struct Bar : public Foo
> {
>   int b;
> };
> <snip>
> member < Bar,int,&Bar::a>
> <snip>
>   
> Error 1 error C2440: 'specialization' : cannot convert from 'int Foo::* ' to
> 'int Bar::* '
> and the codes are compiled in boost 1.40, vs 2008 sp1
>   

You can use the base class in member:

member<Foo, int, &Bar::a>

In Christ,
Steven Watanabe