It's not in the student languages, and I'm not sure I like the name
from a teaching perspective ("copy" is too much of an implementation
issue).On Wed, Oct 20, 2010 at 12:58 PM, Everett Morse <[email protected]> wrote: > On 10/20/2010 09:05 AM, Stephen Bloch wrote: >> >> On Oct 20, 2010, at 3:16 AM, Nikita B. Zuev wrote: >> >> >>> >>> I'm looking for a way to use Raket's structs in a functional way. >>> Example: >>> >>> (define-struct person (name age)) >>> ... >>> (define (person-age-set p proc) >>> (make-person (person-name p) >>> (proc (person-age p)))) >>> >> >> Matthias has been talking for some time about adding this to the student >> languages; I don't know how far it has progressed. It should be an easy bit >> of programming; perhaps the hardest question is how to name these >> "functional setters", e.g. >> >> person-age-set >> set-person-age (without the !) >> person-with-age >> .. >> >> > > What happened to (struct-copy person p [age 25])? Or are we talking only > about student languages and this isn't in there yet? > >> >> Stephen Bloch >> [email protected] >> >> _________________________________________________ >> For list-related administrative tasks: >> http://lists.racket-lang.org/listinfo/users >> > > _________________________________________________ > For list-related administrative tasks: > http://lists.racket-lang.org/listinfo/users > _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
