@extra-array/set-update

Sets value at index. 📦 😺 🏃 📼 🌔 📜 📰 📘

Alternatives: set, set$, setPath$.
Similar: get, set, remove.

This is part of package extra-array.

array.set$(x, i, v);
// x: an array (updated)
// i: index
// v: value
// → x

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

var x = [2, 4, 6, 8];
array.set$(x, 1, 40);
// [ 2, 40, 6, 8 ]

x;
// [ 2, 40, 6, 8 ]

var x = [2, 4, 6, 8];
array.set$(x, 3, 80);
// [ 2, 4, 6, 80 ]

References

• List-Extra.updateAt: elm
• List.set: Java