Are you asking for stuff like this? http://docs.racket-lang.org/reference/define-struct.html
rac On Aug 16, 2012, at 10:09 PM, Rouben Rostamian wrote: > Is there the equivalent of Common Lisp's /structure/ type in > Racket? I looked through Racket's User Guide and Reference > manuals but did not see something similar, although it's > quite possible that I saw one but did not recognize it. > > Specifically, here is what I want. Consider the Common Lips > definition of a /person/ structure: > > (defstruct person > name > age > waist-size > favorite-color) > > Then create an instance: > > (make-person :age 35 > :favorite-color "blue" > :name "Bob") > > The latter echos: > > #S(PERSON :NAME "Bob" :AGE 35 :WAIST-SIZE NIL :FAVORITE-COLOR "blue") > > Let's note that the order of fields when invoking /make-person/ > need not be the same as the order in which the /person/ > structure is defined. > > Furthermore, since /waist-size/ was not specified at invocation, > it was assigned NIL. > > -- > Rouben Rostamian > > ____________________ > Racket Users list: > http://lists.racket-lang.org/users ____________________ Racket Users list: http://lists.racket-lang.org/users
