[boost] Re: Re[serialization] problem deserializing vectors

From: David Abrahams (dave_at_[hidden])
Date: 2003-09-29 16:42:13

Brian McNamara <lorgon_at_[hidden]> writes:

> As a final aside, would that we could write
>
>    uninitialized Foo foo;     // new keyword
>    // call placement new to construct the object later
>
> to mean
>
>    unsigned char bits[ sizeof(Foo) ];         // suitably aligned
>    Foo& foo = *( (Foo*)( (void*)(bits) ) );   // cast the bits
>    // call placement new to construct the object later
>
> in C++!  I hate having to "hack at the system level" to do something
> which can be expressed more simply at the language level.

Have you seen the Boost optional library?
Maybe we need a backdoor for placement new in that library?

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com