September Morn Update
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6856 changed files with 141342 additions and 21127 deletions
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@ -3,7 +3,7 @@
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// powerset :: [a] -> [[a]]
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const powerset = xs =>
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xs.reduceRight((a, x) => a.concat(a.map(y => [x].concat(y))), [
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xs.reduceRight((a, x) => [...a, ...a.map(y => [x, ...y])], [
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[]
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]);
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