moveWithin$

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Subhajit Sahu edited this page Feb 2, 2021 · 14 revisions

Moves part of array within. 🏃 📼 📦 🌔 📒

Alternatives: moveWithin, moveWithin$.
Similar: copy, copyWithin, moveWithin.

array.moveWithin$(x, [j], [i], [I]);
// x: an array (updated)
// j: write index (0)
// i: read start index (0)
// I: read end index (X)
// --> x

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

var x = [1, 2, 3, 4, 5, 6];
array.moveWithin$(x, 0, 1, 3);
// [ 2, 3, 1, 4, 5, 6 ] (2,3 to left)

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

var x = [1, 2, 3, 4, 5, 6];
array.moveWithin$(x, 6, 3, 5);
// [ 1, 2, 3, 6, 4, 5 ] (4,5 to right)

References