zip - nodef/extra-iterable GitHub Wiki
Combine values from iterables.
Similar: cartesianProduct, zip.
function zip(xs, fm, fe, vd?)
// xs: iterables
// fm: map function (vs, i, xs)
// fe: end function (dones) [some]
// vd: default value
const xiterable = require('extra-iterable');
var x = [1, 2, 3];
var y = [4, 5];
[...xiterable.zip([x, y])];
// → [1, 4], [2, 5](/nodef/extra-iterable/wiki/1,-4],-[2,-5) (shortest)
[...xiterable.zip([x, y], ([a, b]) => a + b)];
// → [5, 7]
[...xiterable.zip([x, y], null, some)];
// → [1, 4], [2, 5](/nodef/extra-iterable/wiki/1,-4],-[2,-5) (shortest)
[...xiterable.zip([x, y], null, every, 0)];
// → [1, 4], [2, 5], [3, 0](/nodef/extra-iterable/wiki/1,-4],-[2,-5],-[3,-0) (longest)
[...xiterable.zip([x, y], null, head, 0)];
// → [1, 4], [2, 5], [3, 0](/nodef/extra-iterable/wiki/1,-4],-[2,-5],-[3,-0) (first)