set$

Sets value at index. 🏃 📼 📦 🌔

Alternatives: default, update.

array.set$(x, i, v);
// x: an array (updated)
// i: index (-ve: from right)
// 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