i see, maybe my example is too special. What i meant is I have an array of elements and I have a binary operator which I want to apply to every adjacent elements.
On Saturday, February 7, 2015 at 7:26:55 AM UTC-5, Tamas Papp wrote: > > diff([1, 2, 4, 7, 8]) > > I don't think it gets more beautiful than this :D > > Best, > > Tamas > > On Sat, Feb 07 2015, Evan Pu <[email protected] <javascript:>> wrote: > > > say I want to compute a pair-wise diff for all the elements in the > array. > > input: [1, 2, 4, 7, 8] > > output: [1, 2, 3, 1] > > > > is there some kind of "beautiful" way of doing it? i.e. w/o using a for > > loop nor using explicit indecies >
