Power set: Difference between revisions

Added output.
(Updated to Nim 1.4: changed initSet to initHashSet, to Set to toHashSet. Also changed some variable names and some other things.)
(Added output.)
Line 2,417:
echo powerset([1,2,3,4].toHashSet())</lang>
 
{{out}}
<pre>{{4, 3, 1}, {3, 2, 1}, {3}, {3, 1}, {2}, {4, 3, 2, 1}, {}, {4, 2}, {4, 2, 1}, {4, 3, 2}, {1}, {3, 2}, {4, 3}, {4}, {4, 1}, {2, 1}}
</pre>
 
=={{header|Objective-C}}==
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