On Wed, Dec 22, 2010 at 1:14 PM, Benny Tsai <benny.t...@gmail.com> wrote:
> Hi Ken, > > > user=> (let [[x y & more] [1 2 3 4 5]] [x y more]) > > [1 2 (3 4 5)] > > user=> (let [[x y z] [1 2 3 4 5]] [x y z]) > > [1 2 3] > > user=> (let [[_ _ a b] [1 2 3 4 5]] [a b]) > > [3 4] > > > > You can grab any fixed position in this way, as well as a "rest" that > > is the tail of the sequence past the last of such. > > Right, that's true. However, Marek had given two examples of Python > tuple unpacking, the first being: > > > first, *middle, last = sequence(...) > > Which I believe in Python 3 will bind 'first' to the first element, > 'last' to the last element, and 'middle' to a sequence of all the > elements in the middle. That last part is what I don't know how to do > in Clojure. One way: (let [[[f & m] l] ((juxt drop-last last) '[a b c d])] [f m l]) ;; [a (b c) c] David -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
