On 21/2/2010 16:28, Jim mack wrote:
> I have some complicated datastructure, mixing containers & tuples,
> like an ast. I would like to get a report on what's different between
> two of them, say for a test. Is there an existing vocab for that? It
> won't need to be fast. My first thought was to get the prettyprint
> representations, then diff through an external tool.
Hi Jim, do you know of mirrors?
I'm not sure if that's what you mean, but maybe something like this:
: obj-diff ( big small -- diff )
[ <mirror> >alist ] bi@ swap diff ;
TUPLE: xyz x y z ;
xyz new 4 >>z 2 >>x
xyz new 3 >>x
--- Data stack:
T{ xyz f 2 f 4 }
T{ xyz f 3 f f }
( scratchpad - auto ) obj-diff .
{ { "x" 3 } { "z" f } }
Best Regards, Kobi
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