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Update promisify.md

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Angelos Chalaris
2017-12-13 14:17:24 +02:00
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### Promisify ### Promisify
Use currying to return a function returning a Promise that calls the original function. Use the rest operator to pass in all the parameters. In Node 8+, you can use [`util.promisify`](https://nodejs.org/api/util.html#util_util_promisify_original) Use currying to return a function returning a `Promise` that calls the original function.
Use the `...rest` operator to pass in all the parameters.
*In Node 8+, you can use [`util.promisify`](https://nodejs.org/api/util.html#util_util_promisify_original)*
```js ```js
const promisify = func => const promisify = func =>