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cartesianProduct
Subhajit Sahu edited this page Jun 18, 2020
·
13 revisions
Lists cartesian product of objects. 🏃 📼 📦 🌔 📒
Similar: cartesianProduct, zip.
object.cartesianProduct(xs, [fm]);
// xs: objects
// fm: map function (vs)const object = require('extra-object');
var x = {a: 1, b: 2, c: 3};
var y = {d: 10, e: 20};
[...object.cartesianProduct([x, y])];
// [
// { a: 1, d: 10 },
// { a: 1, e: 20 },
// { b: 2, d: 10 },
// { b: 2, e: 20 },
// { c: 3, d: 10 },
// { c: 3, e: 20 }
// ]
[...object.cartesianProduct([x, y], a => object.max(a))];
// [
// [ 'd', 10 ],
// [ 'e', 20 ],
// [ 'd', 10 ],
// [ 'e', 20 ],
// [ 'd', 10 ],
// [ 'e', 20 ]
// ]