left - nodef/extra-iterable GitHub Wiki
Get values from left.
function left(x, n)
// x: an iterable
// n: number of values
const xiterable = require('extra-iterable');
var x = [1, 2, 3];
[...xiterable.left(x, 1)];
// → [1]
[...xiterable.left(x, 2)];
// → [1, 2]