intersection$ - nodef/extra-set GitHub Wiki
Obtain values present in both sets.
Alternatives: intersection, intersection$. Similar: union, intersection, difference, symmetricDifference, isDisjoint.
function intersection$(x, y)
// x: a set (updated)
// y: another set
const set = require('extra-set');
var x = new Set([1, 2, 3, 4]);
var y = new Set([2, 3, 5]);
set.intersection$(x, y);
// → Set(2) { 2, 3 }
x;
// → Set(2) { 2, 3 }