set$

Sets value at index (+ve, -ve).

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, -4);
// [2, -4, 6, 8]

x;
// [2, -4, 6, 8]

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

references

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