Re: [boost] alignment problem in proposed any alternative

From: Larry Evans (cppljevans_at_[hidden])
Date: 2005-08-10 11:10:55

On 08/10/2005 09:27 AM, christopher diggins wrote:
[snip]
> Anyway it turns out we can guarantee alignment by simply using a char 
> buffer. According to 3.9/2 the following automatically has no alignment 
> problems:
> 
> template<int buffer_size>
> struct any {
>   char buffer[buffer_size];
>   ...
>   template<typename T>
>   any(const T& x) {
>     if (boost::is_pod<T>::value && (sizeof(T) <= buffer_size)) {
>       memcpy(buffer, &T, N);
Wouldn't this fail to update the refcount if T was shared_ptr or
weak_ptr?
>     }
>     else {
>       // new and stuff
>     }
>   }
> }