[Snow-users-list] srfi-40 A Library of Streams

Phil Bewig pbewig at gmail.com
Mon Dec 3 08:25:28 EST 2007

Thank you, but be aware that SRFI-41 is currently in discussion, to be
finalized by the end of the month, and will replace SRFI-40, which will be


On Dec 2, 2007 11:24 PM, Tony Sidaway <tonysidaway at gmail.com> wrote:

> I've uploaded this package to snowfort, currently at srfi40/v1.0.1,
> containing a port of the srfi-40 reference implementation by Philip L.
> Bewig with adaptations and bug fixes by  Andre von Tonder and
> catfive/chaosnet.org.  The code is substantially that provided in the
> srfi-40 egg of Chicken Scheme.
> The package contains some simple regression tests, which are passed by
> the following Scheme implementations when using the generic snow
> framework implementation:
> bigloo
> chicken
> gauche
> mzscheme
> I have also tested with scheme48 (probably a fairly old one, it's the
> stock Ubuntu package) and scsh 0.6.7.  Both of the latter fail the
> test with the following error message:
> Error: undefined variable
>       gensym
>       (package (for-syntax 1 user))
> The basic functions such as stream-cons, stream, stream-null?,
> stream-car and stream-cdr, are tested, plus stream-filter, but not
> stream-unfoldn, stream-map and stream-for-each.
> I would be most grateful for further bug reports or reports of success
> on other implementations.
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