Re: Imitation is the sincerest form of flattery

[Bill Findlay <yaldnifw@blueyonder.co.uk>]

On 26/3/03 17:00, in article 1048698047.463797@master.nyc.kbcfp.com, "Hyman
Rosen" <hyrosen@mail.com> wrote:

> Anyway, in C++ you just need to have a conversion to
> reference to element type in the proxy class.
> 
> template <typename Element>
> struct funky_array
> {
>    struct index_proxy
>    {
>        funky_array &a;
>        int i;
>        index_proxy(funky_array &a, int i) : a(a), i(i) { }
>        operator Element &() { return a.get_element(i); }
>    };
>    Element &get_element(int i) { /* find and return the element */ }
>    index_proxy operator[](int i) { return index_proxy(*this, i); }
> };
> 

Hyman, 
could you explain what is going on in this rather obscure-looking code,
for the sake of C++ non-gurus like me?

-- 
Bill-Findlay chez blue-yonder.co.uk ("-" => "")