On Mon, Apr 28, 2008 at 10:16 AM, Donal K. Fellows
<donal.k.fellows@[...].uk>  wrote:
>  Larry McVoy wrote:
>   > Can you explain that a bit?  I'm thinking something like
>   >
>   >     when we detect a foreach (c in buf)
>   >       bump the refcount on buf
>   >       set an index at 0
>   >       start the loop
>   >       each iteration
>   >               c = buf[index++]
>   >               loop body
>   >               decr refcount on c
>   >         decr refcount on buf
>   >
>   > What's so hard about that?  I realize I'm asking this naively so I'm not
>   > say "you wuss, go do it", I'm say "teach me why this is hard, please".
> 
>   The problem is that lots of code has to be rewritten to understand
>   keeping a reference count on the buffer, or rather on the string rep[*].

What about doing this iteration on a byte array rather than a string ?
(of course it may not deserve the [string foreach] name in that case ;-)

-Alex

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