On Sat, Dec 18, 2010 at 7:21 AM, Sunil S Nandihalli < sunil.nandiha...@gmail.com> wrote:
> Hi Eric, > I do know about partial. But what I am saying is that the extra function, > partial, is not necessary if the function was created with > def-curry-fn....... The function automatically returns a curried version > when called with fewer number of arguments than necessary.... like it > happens in haskell.. > thanks, > Sunil. > > On Sat, Dec 18, 2010 at 3:02 AM, Eric Schulte <schulte.e...@gmail.com>wrote: > >> Hi Sunil, >> >> This is already possible using `partial' function in clojure core, which >> also works for variable arity functions, e.g. >> >> (map (partial reduce +) [[1 2 3 4] [5 6 7 8]]) >> >> Best -- Eric >> >> Sunil S Nandihalli <sunil.nandiha...@gmail.com> writes: >> >> > Hello everybody, >> > I remember that the key reasoning for not supporting currying in >> clojure >> > was to be able to have variable number of arg functions.. So, I just >> thought >> > a bit and realized that it should be possible to do that for fixed arity >> > functions .. and then wrote the following macro to define a curry-able >> > fixed-number-of-argument-function >> > >> > https://gist.github.com/745654 >> > >> > If the following was defined as (defn f [a b c d] (+ a b c d)) > > (def-curry-fn f [a b c d] >> > (+ a b c d)) >> > >> > ((f 1) 2 3 4) => 10 >> > the above s-expression using partial would become ... ((partial f 1) 2 3 4) => 10 > > (((f 1 2) 3) 4) => 10 >> > and ((partial (partial f 1 2) 3) 4) => 10 instead of (((f 1 2) 3) 4).. ((((f 1) 2) 3) 4) => 10 would become ((partial (partial (partial f 1) 2) 3) 4) => 10 ..... I know there is no real practical utility .. .. it was just something I wrote for fun.. and thought of sharing it ... Sunil. > > >> > I just thought of sharing it with everybody. Would love to hear any >> > criticisms you may have. >> > >> > Thanks for reading, >> > Sunil >> >> -- >> 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<clojure%2bunsubscr...@googlegroups.com> >> For more options, visit this group at >> http://groups.google.com/group/clojure?hl=en > > > -- 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
