On Wed, Dec 22, 2010 at 1:22 PM, David Nolen <dnolen.li...@gmail.com> wrote:
> 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 > Oops typo, ;; [a (b c) d] 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
