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concat$

Subhajit Sahu edited this page Mar 13, 2020 · 30 revisions

Appends arrays to the end.

array.concat$(x, ...ys);
// x:  an array (updated)
// ys: arrays to append
const array = require('extra-array');

var a = [1, 2];
array.concat$(a, [3,  4]);
// [1, 2, 3, 4]

a;
// [1, 2, 3, 4]

var s = new Set([5, 6]);
array.concat$(a, s, s);
// [
//   1, 2, 3, 4,
//   5, 6, 5, 6
// ]

a;
// [
//   1, 2, 3, 4,
//   5, 6, 5, 6
// ]
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