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Power set: Difference between revisions
→{{header|FunL}}
(Undo revision 187701 by Siskus There is no _requirement_ for the use of an empty set as an example in the task.) |
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<lang funl>import lists.foldr
def powerset( s ) = foldr(
println( powerset({1, 2, 3, 4}) )</lang>
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