Name Rascal/Libraries/Prelude/Set/power1

Synopsis The powerset (excluding the empty set) of a set value.

Function set[set[&T]] power1(set[&T] st)

Usage import Set;

Description Returns all subsets (excluding the empty set) of s.

Examples

rascal>import Set;
ok
rascal>power1({1,2,3,4});
set[set[int]]: {
  {1},
  {2},
  {1,3,4},
  {2,3,4},
  {1,2,3,4},
  {1,2},
  {3},
  {1,3},
  {4},
  {2,3},
  {1,4},
  {1,2,3},
  {2,4},
  {1,2,4},
  {3,4}
}

Questions

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