Re: Stdio.Buffer, need a way to revisit old positions in the output

> Well, it would appear so, however, do keep in mind that:
> a. The get_addpos() positions implicitly give me a way to find out
>    how much bytes are between position A and B.  So the length calculations
>    I need are already there, whereas using a writable subbuffer like above
>    doesn't give me those yet.

It would, actually, allow getting the size: sizeof(subbuff).

> b. Using the writeable subbuffer is tricky at best, and cannot be considered
>    lightweight anymore; get/set_addpos are practically for free.

And, yes, it would be a larger change to the internals.

It would however automate the 'do not write more than' code, and the
'update length field' code.

-- 
Per Hedbor