On Wed, Jul 27, 2011 at 1:10 PM, Tony Garnock-Jones <to...@ccs.neu.edu> wrote: > On 2011-07-27 4:01 PM, Sam Tobin-Hochstadt wrote: >> If you have a sufficiently powerful inspector, you can traverse any >> structure. In principle, you can even traverse closures this way, but >> no inspector with the needed power exists. See `struct->vector'. > > That sounds fantastic! Especially the traversal of closures. What kinds > of dark alchemy would I have to engage in to get hold of the necessary > inspector?
No such alchemy exists, it's just intended as part of the conceptual framework. > Would such an inspector be able to represent the structure of chaperoned > and impersonated values accurately? No, `struct->vector' uses the chaperoned accessors, but doesn't represent their structure. > Finally, what about the other direction? I notice there's no obvious > `vector->struct`. Is there a general way of moving from the description > of a structure to the structure itself? No. -- sam th sa...@ccs.neu.edu _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/dev
