On May 12, 2012, at 12:54 PM, Jens Axel Søgaard wrote:
> The syntax
> {john .age} should evaluate as (person-age john)
> since john is an instance of a person structure.
>
> Using information from structure-type-info I can construct the
> identifier person-age, but I can not figure how to retrieve the
> actual accessor without using eval.
>
> This means that {john .age} only works in the repl and not
> in a module context.
>
> Any pointers for improving the macro dot (which implements this)
> is appreciated.
Since {john .age} is syntax, you might be able to grab the namespace at that
point and use the namespace for an evaluation.
;; ---
My preferred alternative is to equip structs that should work with this syntax
with a prop so that I can look up the accessor.
-- Matthias
____________________
Racket Users list:
http://lists.racket-lang.org/users
