var consecutive = require('consecutive');

var next = consecutive();
console.log(next(), next(), next());
//=> 0 1 2

//starts with 5
var begin = consecutive(5);
console.log(begin(), begin(), begin());
//=> 5 6 7

//base 2
var base2 = consecutive(null, 2);
console.log(base2(), base2(), base2());
//=> 0 1 10

//base 16, starts with 9ffa, step 3
var base16 = consecutive('9ffa', 16, 3);
console.log(base16(), base16(), base16());
//=> 9ffa 9ffd a000

import consecutive from 'consecutive';

const next = consecutive();
console.log(next(), next(), next());
//=> 0 1 2