comp creates a new function that you can store. -> threads a value through a series of expressions.
On Wed, Apr 1, 2009 at 12:52 AM, kkw <kevin.k....@gmail.com> wrote: > > Hi folks, > > I have some code where I wanted to: > - take a list of stuff (which includes another list inside) > - use 'seq-utils/flatten' to flatten the list > - use 'interpose' to add comma-delimiting strings between the elements > - print out the results, thereby creating comma-delimited output > > I may choose between: > > ((comp > (fn [x] (apply println x)) > (fn [x] (interpose ", " x)) > seq-utils/flatten) > mr) > > OR > > (-> mr > seq-utils/flatten > ((fn [x] (interpose ", " x))) > ((fn [x] (apply println x)))) > > And I found the "->" notation marginally easier to interpret and > understand. Apart from appearance, are there any benefits to using -> > instead of the comp function? I happily concede that there exist nicer > ways to achieve this goal, but the question I wanted to raise > concerned the benefits of using -> vs comp or vice-versa. > > Kev > > Kev > > > --~--~---------~--~----~------------~-------~--~----~ 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 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 -~----------~----~----~----~------~----~------~--~---
