#85
Power Set
| Difficulty: | Medium |
| Topics: | set-theory |
Write a function which generates the power set of a given set.
The power set of a set x is the set of all subsets of x,
including the empty set and x itself.
 | (= (__ #{1 :a}) #{#{1 :a} #{:a} #{} #{1}}) |
| (= (__ #{}) #{#{}}) |
| (= (__ #{1 2 3})
#{#{} #{1} #{2} #{3} #{1 2} #{1 3} #{2 3} #{1 2 3}}) |
| (= (count (__ (into #{} (range 10)))) 1024) |