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doc: use arrow functions in util.md sample code

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PR-URL: https://github.com/nodejs/node/pull/17459
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Jon Moss <me@jonathanmoss.me>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
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Mithun Sasidharan 2017-12-06 21:29:34 +05:30 committed by Anatoli Papirovski
parent bb59063807
commit 817d4adb47
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1 changed files with 3 additions and 3 deletions
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doc/api/util.md
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@ -129,7 +129,7 @@ such a way that it is marked as deprecated.
```js
const util = require('util');
exports.obsoleteFunction = util.deprecate(function() {
exports.obsoleteFunction = util.deprecate(() => {
// Do something here.
}, 'obsoleteFunction() is deprecated. Use newShinyFunction() instead.');
```
@ -1061,7 +1061,7 @@ util.isObject(null);
// Returns: false
util.isObject({});
// Returns: true
util.isObject(function() {});
util.isObject(() => {});
// Returns: false
```
@ -1093,7 +1093,7 @@ util.isPrimitive(undefined);
// Returns: true
util.isPrimitive({});
// Returns: false
util.isPrimitive(function() {});
util.isPrimitive(() => {});
// Returns: false
util.isPrimitive(/^$/);
// Returns: false