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Date: 2009-04-05 (07:05)
From: Jon Harrop <jon@f...>
Subject: Re: [Caml-list] Strings
On Sunday 05 April 2009 07:57:56 Goswin von Brederlow wrote:
> Jon Harrop <jon@ffconsultancy.com> writes:
> > On Saturday 04 April 2009 22:51:50 Goswin von Brederlow wrote:
> >> The beauty of ocaml strings is that they are really compact. An ocaml
> >> string on 32bit is 5-8 bytes longer than the contained string and 9-16
> >> bytes on 64bit.
> >
> > The ugliness is that 16Mb limit. I assume those limits have been removed
> > in batteries?!
> As that is a limitation of the GC memory structure of a string there
> is nothing batteries can do there. Not for the basic type string. It
> is also just 32bit that is so severly limited.

Batteries could replace all uses of the built-in string type with another 
type, such as a byte big array, just as they have done to implement ropes.

I don't think they could address the array limitation though, because that is 

Dr Jon Harrop, Flying Frog Consultancy Ltd.