Such operations will be supported when we cut over to the in-progress "iteration 2" APIs. On 8/11/2012 2:44 PM, Jose wrote: > > Hi all, > > Reading the docs I didn't find a binary operation as: > > (U,U)-->V > > Does it exits? > > I was triying to do something like this: > > Iterable<Segment> = polyline.nodes().cumulate((p0,p1)->new Segment(p0,p1)) > > >