ordering of constructors

[Daniel Jacobowitz]

On Fri, Apr 09, 2004 at 02:15:24PM +0200, Gabriel Dos Reis wrote:
> For example, it can be something like
> 
>    A.H:
>    struct A { some constructor ... };
>    extern A a;
>    void make_sure_a_is_constructed();
> 
>    A.C
>    A a;
> 
>    void make_sure_a_is_constructed() { /* empty */ }
> 
> 
> 
>    B.H:
>    #include "A.H"
>    struct B { ... }
> 
>    B::B()
>    {
>       make_sure_a_is_constructed();
>       // use a...
>    }
> 
>    B.cc;
>    B b; 
>    
> 
> 
> The call to make_sure_a_is_constructed(), will provoke the
> initialization of a, before that function is executed.  

Er... for those of us ignorant, could you explain why this assures
anything?

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer