In general, I've noticed that Haskell is often J's closest rival in terms of terseness. However, based on my admittedly slight acquaintance with Haskell, it does not seem as general or as well-thought-out notationally as J is but this latter point is true of almost all other languages.
On Wed, May 28, 2014 at 11:35 AM, Jon Hough <[email protected]> wrote: > Project Euler 16 is defined: > 215 = 32768 and the sum of its digits is 3 + 2 + 7 + 6 + 8 = 26.What is > the sum of the digits of the number 21000? > http://projecteuler.net/problem=16 > > > My J solution:NB. create base > base =. 302 $ 10 > > digitsum =. +/ @:(base & #:)"1@: (1000x &(^~)) digitsum 2 > As a J beginner, clearly my code is not as terse or as elegant as it could > be. But browsing the solution forums I found this Haskell solution: > sum $ digits 10 $ 2^1000 > > I don't know Haskell but the above code pretty much speaks for itself. > Clearly the solution is terse, simple and easy to understand.Comparing > Haskell to J, it seems one of J's strong points, terseness and rapid > program developing, doesn't hold up to Haskell so much as it does against > C-style languages. > So my question is, what advantages does J hold over Haskell, in terms of > speed, terseness etc? > Regards. > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > -- Devon McCormick, CFA ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
