from$

Convert entries to map.

Alternatives: from, from$.
Similar: from, fromLists, fromKeys, fromValues.

function from$(x)
// x: entries (updateable is map!)

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

var es = [['a', 1], ['b', 2], ['c', 3]];
map.from$(es);
// → Map(3) { 'a' => 1, 'b' => 2, 'c' => 3 }

var x = new Map(es);
var a = map.from$(x);
//  a === x (map is reused)

a.set('a', 10);
x;
// → Map(3) { 'a' => 10, 'b' => 2, 'c' => 3 }

References

• Array.prototype.from: MDN web docs