Re: miniAdapton

[Amirouche]

Héllo!

Le 29/04/2017 à 12:40, Catonano a écrit :
> I'd like to run miniAdapton in Guile
>
> here's the repo
> https://github.com/fisherdj/miniAdapton
>
> Now: how do I get it running in Guile ?
>
> What are those .sld files ?
>
> What about thos "define-library" and "library" forms ? Are those a r7rs
> thing ?
>
> For reference:
>
> here's an amazing talk given by the awesome William Byrd
> https://www.youtube.com/watch?v=bmpu1N2yf-k&feature=youtu.be
>
> here's an article
> http://scheme2016.snow-fort.org/static/schemeworkshop2016-miniadapton.pdf
>
> Thanks in advance

Well, this requires a more time that I want to give to it to understand
it correctly.

FYI the following works:

~/src/guile/miniAdapton$ guile -L .
GNU Guile 2.2.0
Copyright (C) 1995-2017 Free Software Foundation, Inc.

Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
This program is free software, and you are welcome to redistribute it
under certain conditions; type `,show c' for details.

Enter `,help' for help.
scheme@(guile-user)> (use-modules (miniadapton))
scheme@(guile-user)> (define-avar a 1)
scheme@(guile-user)> (avar-get a)
$1 = 1
scheme@(guile-user)> (define-avar b 2)
scheme@(guile-user)> (define-avar c (+ (avar-get a) (avar-get b)))
scheme@(guile-user)> (avar-get c)
$2 = 3
scheme@(guile-user)> (avar-set! a 10)
scheme@(guile-user)> (avar-get c)
$3 = 12

In theory this kind of framework could be put to good use, to implement
the equivalent of PostgreSQL Materialized view [1] that are refreshed
automatically.

How do you want to use it?

[1] 
https://www.postgresql.org/docs/current/static/sql-creatematerializedview.html