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Subhajit Sahu edited this page Dec 2, 2022 · 1 revision

Pick an arbitrary subset.

Similar: randomSubset, subsets.


function randomSubset(x, n, fr)
// x:  a set
// n:  number of values [-1 ⇒ any]
// fr: random number generator ([0, 1))
const set = require('extra-set');

var x = new Set([1, 2, 3, 4]);
set.randomSubset(x);
// → Set(2) { 1, 3 }

set.randomSubset(x, 3);
// → Set(3) { 1, 2, 4 }

set.randomSubset(x, 2);
// → Set(2) { 2, 4 }


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