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

Per Hedbor () @ Pike (-) importm?te f?r mailinglistan wrote:
>> 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.

True.

However, given the premises that Stdio.Buffer was/is for speed,
then any solution that involves creating another object for this seems
a bit wasteful.  I.e. those are a lot of memory accesses (for creating
the new object) whereas we only want a simple "pointer access" to past
data.
-- 
Stephen.