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Kiwka/cartesianProduct.js

Created January 27, 2020 22:05
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Cartesian product
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cartesianProduct.js
const f = (a, b) => [].concat(...a.map(d => b.map(e => [].concat(d, e))));
const cartesian = (a, b, ...c) => (b ? cartesian(f(a, b), ...c) : a);
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