Revision as of 20:23, 12 May 2014 (view source) rosettacode>Craigd (Added zkl) ← Older edit		Revision as of 00:20, 13 May 2014 (view source) rosettacode>Craigd (Code crunch) Newer edit →
Line 2,603: Using a combinations function, build the power set from combinations of 1,2,... items. <lang zkl>fcn pwerSet(list){ (0).pump(list.len(),List,List,Utils.Helpers.pickNFrom.fp1(list)), ~~.flatten~~ T(T,Void.Write,Void.Write) ) .append(list) ~~}</lang>~~ ~~Same thing, but build a single list result to avoid having to post flatten.~~ ~~<lang zkl>fcn pwerSet(list){~~ ~~(0).pump(list.len(),List,'wrap(n){~~ ~~T(Void.Write,Void.Write,Utils.Helpers.pickNFrom(n,list))})~~ ~~.append(list)~~ }</lang> {{out}}

Power set: Difference between revisions

Power set (view source)