take$ - nodef/extra-set GitHub Wiki

Keep first n values only (default order).

Alternatives: take, take$. Similar: take, drop.

function take$(x, n)
// x: a set (updated)
// n: number of values [1]

const set = require('extra-set');

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

x;
// → Set(2) { 1, 2 }

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

References

• Data.List.take: Haskell
• Array.prototype.slice: MDN web docs
• _.take: lodash
• Array.to: sugarjs