One of the branches of the pattern language is | (struct id (pattern ...))
Your pattern should be (struct color (r g b)) On Mon, Oct 31, 2011 at 8:21 PM, Adam Shaw <adams...@cs.uchicago.edu> wrote: > Since pattern matching has been a topic of discussion lately -- I'm trying > to get simple pattern matching to work in Adv. Student -- for example this > expression: > (match (make-color 1 2 3) > [(make-color r g b) (* r g b)]) > gets this response > match: expected a pattern, but found a part > I would appreciate an explanation or a pointer to how I can understand this. > Thanks. > - Adam > _________________________________________________ > For list-related administrative tasks: > http://lists.racket-lang.org/listinfo/users > -- Jay McCarthy <j...@cs.byu.edu> Assistant Professor / Brigham Young University http://faculty.cs.byu.edu/~jay "The glory of God is Intelligence" - D&C 93 _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
