Power set: Difference between revisions
→{{header|Factor}}
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=={{header|Factor}}==
We use hash sets, denoted by <code>HS{ }</code> brackets, for our sets. <code>members</code> converts from a set to a sequence, and <code><hash-set></code> converts back.
<lang factor>USING: kernel prettyprint sequences arrays sets hash-sets ;
IN: powerset
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