Similar to reduce (in map-reduce). E.g., This will return the sum all the elements of the array: intArray.reduce( (x,y)=>x+y, 0)
On Thu, Jun 10, 2010 at 12:58 PM, Han Dong <saviola7...@gmail.com> wrote: > Hi, > > There's this function inside a DistArray > > > *reduce< > http://dist.codehaus.org/x10/xdoc/2.0.3/x10/array/DistArray.html#reduce%28op:%28id$10:T,%20id$11:T%29%7B%7D= > > > *(x10.lang.Fun_0_2<T< > http://dist.codehaus.org/x10/xdoc/2.0.3/x10/array/DistArray.html> > ,T <http://dist.codehaus.org/x10/xdoc/2.0.3/x10/array/DistArray.html>,T< > http://dist.codehaus.org/x10/xdoc/2.0.3/x10/array/DistArray.html>> > op, > T <http://dist.codehaus.org/x10/xdoc/2.0.3/x10/array/DistArray.html> unit) > *Declaration*: reduce(op:(id$10:T, id$11:T){}=> Tunit:T): T. > Could anybody explain to me what does it actually do and a sample > utilization example? Is it similar to the reduce used in map reduce > applications? > > Thanks, > > Han Dong > h...@umbc.edu > University of Maryland '10 > > ------------------------------------------------------------------------------ > ThinkGeek and WIRED's GeekDad team up for the Ultimate > GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the > lucky parental unit. See the prize list and enter to win: > http://p.sf.net/sfu/thinkgeek-promo > _______________________________________________ > X10-users mailing list > X10-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/x10-users > ------------------------------------------------------------------------------ ThinkGeek and WIRED's GeekDad team up for the Ultimate GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the lucky parental unit. See the prize list and enter to win: http://p.sf.net/sfu/thinkgeek-promo _______________________________________________ X10-users mailing list X10-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/x10-users
