[boost] Re: Formal Review: Assignment Library

From: Thorsten Ottosen (nesotto_at_[hidden])
Date: 2004-04-01 18:33:35

Hi Alexander,

"Alexander Nasonov" <alnsn-mycop_at_[hidden]> wrote in message
news:c4hmul$uuc$1_at_sea.gmane.org...
> I like the idea. However, I argue with some design decisions.
> The biggest problem is that it's too easy to add operator+= to any
> container-like class.

What would you prefer then?

> For example, this program doesn't compile:
>
> struct not_container
> {
>     typedef int value_type;
>
>     template<class T>
>     void operator+=(T) {}
> };
>
> #include <boost/assign/stl.hpp>
> using namespace boost::assignment;
>
> int main()
> {
>     not_container v;
>     v += 1, 3;
insert(v)(1)(3); // should work
> }

best regards

Thorsten