set - nodef/extra-map GitHub Wiki

Set value at key.

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

function set(x, k, v)
// x: a map
// k: key
// v: value

const map = require('extra-map');

var x = new Map(['a', 2], ['b', 4], ['c', 6], ['d', 8](/nodef/extra-map/wiki/'a',-2],-['b',-4],-['c',-6],-['d',-8));
map.set(x, 'b', 40);
// → Map(4) { 'a' => 2, 'b' => 40, 'c' => 6, 'd' => 8 }

map.set(x, 'd', 80);
// → Map(4) { 'a' => 2, 'b' => 4, 'c' => 6, 'd' => 80 }

References