Lists cartesian product of arrays.
Similar: cartesianProduct, zip.
This is part of package extra-array.
This is browserified, minified version of @extra-array/cartesian-product.
It is exported as global variable array_cartesianProduct.
CDN: unpkg, jsDelivr.
array.cartesianProduct(xs, [fm]);
// xs: arrays
// fm: map function (vs, i)const array = require("extra-array");
var x = [1, 2, 3];
var y = [10, 20, 30];
array.cartesianProduct([x, y]);
// [
// [ 1, 10 ], [ 1, 20 ],
// [ 1, 30 ], [ 2, 10 ],
// [ 2, 20 ], [ 2, 30 ],
// [ 3, 10 ], [ 3, 20 ],
// [ 3, 30 ]
// ]
array.cartesianProduct([x, y], ([a, b]) => a + b);
// [
// 11, 21, 31, 12, 22,
// 32, 13, 23, 33
// ]