swap

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Subhajit Sahu edited this page Feb 3, 2021 · 19 revisions

Exchanges two values. 🏃 📼 📦 🌔 📒

iterable.swap(x, i, j);
// x: an iterable
// i: an index
// j: another index

const iterable = require("extra-iterable");

var x = [1, 2, 3, 4];
[...iterable.swap(x, 0, 1)];
// [ 2, 1, 3, 4 ]

[...iterable.swap(x, 0, 3)];
// [ 4, 2, 3, 1 ]

References