@extra-array/copy-update
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2.10.19 • Public • Published

Copies part of array to another. 📦 😺 🏃 📼 🌔 📜 📰 📘

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

This is part of package extra-array.


array.copy$(x, y, [j], [i], [I]);
// x: target array (updated)
// y: source array
// 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];
var y = [10, 20, 30];
array.copy$(x, y);
// [ 10, 20, 30, 4, 5 ]

x;
// [ 10, 20, 30, 4, 5 ]

var x = [1, 2, 3, 4, 5];
array.copy$(x, y, 1);
// [ 1, 10, 20, 30, 5 ]

var x = [1, 2, 3, 4, 5];
array.copy$(x, y, 1, 1);
// [ 1, 20, 30, 4, 5 ]

var x = [1, 2, 3, 4, 5];
array.copy$(x, y, 1, 1, 2);
// [1, 20, 3, 4, 5]


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npm i @extra-array/copy-update

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Version

2.10.19

License

MIT

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  • wolfram77