Python3 range made with generator
npm install rangexPython3 range made with ES6 generator!
``sh`
$ npm install --save rangex
`js`
const range = require('rangex')
orjs`
import range from 'rangex'
Range is a generator - it produces values on demand, not all up front.
`js
range(5);
// [ 0, 1, 2, 3, 4 ]
range(-2, 2);
// [ -2, -1, 0, 1 ]
range(-8, -2, 2);
// [ -8, -6, -4 ]
//we have NO LIMITS!
range(89347896347693469346346345685558585034938433, 2, -2).next()
// { value: 8.934789634769348e+43, done: false }
`
`js
//for-of loop
for(const num of range(3))
{
console.log(num);
}
// 0
// 1
// 2
//spread operator (...)
const arr = [...range(5, 10, 2)];
// [ 5, 7, 9 ]
//destructuring
const [a, b, c] = range(-100, -95, 2);
// a = -100, b = -98, c = -96
//calling only the next value
range(5, 15, 3).next().value
// 5
//use map and destructuring
[...range(3)].map( num => num**2)
// [ 0, 1, 4 ]
`
#### Requirements
Node.js 6.3.1+
#### Test
`sh``
$ npm test
#### more about generators
[MDN]
[exploringjs]
[MDN]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Iterators_and_Generators
[exploringjs]: http://exploringjs.com/es6/ch_generators.html