update docs for promises
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@ -28,9 +28,7 @@ request('http://www.google.com', function(error, response, body) {
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**Using Promises**
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**Using Promises**
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```js
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```js
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var promisify = require('util').promisify;
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var request = require('@root/request');
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var request = require('@root/request');
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request = promisify(request);
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request('http://www.google.com')
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request('http://www.google.com')
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.then(function(response) {
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.then(function(response) {
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