map - nodef/extra-set GitHub Wiki
Transform values of a set.
Alternatives: map, map$.
Similar: map, reduce, filter, filterAt, reject, rejectAt.
function map(x, fm)
// x: a set
// fm: map function (v, v, x)
const set = require('extra-set');
var x = new Set([1, 2, 3, 4]);
set.map(x, v => v * 2);
// → Set(4) { 2, 4, 6, 8 }
References