remove$

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Subhajit Sahu edited this page Dec 5, 2022 · 14 revisions

Remove value at key.

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

function remove$(x, k)
// x: a map (updated)
// k: key

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

var x = new Map([['a', 2], ['b', 4], ['c', 6], ['d', 8]]);
map.remove$(x, 'b');
// → Map(3) { 'a' => 2, 'c' => 6, 'd' => 8 }

x;
// → Map(3) { 'a' => 2, 'c' => 6, 'd' => 8 }

var x = new Map([['a', 2], ['b', 4], ['c', 6], ['d', 8]]);
map.remove$(x, 'd');
// → Map(3) { 'a' => 2, 'b' => 4, 'c' => 6 }

References