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30secondsofcode
2019-08-19 15:16:02 +00:00
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snippets/checkProp.md
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@ -13,6 +13,7 @@ const checkProp = (predicate, prop) => obj => !!predicate(obj[prop]);
```js ```js
const lengthIs4 = checkProp(l => l === 4, 'length'); const lengthIs4 = checkProp(l => l === 4, 'length');
lengthIs4([]); // false lengthIs4([]); // false
lengthIs4([1,2,3,4]); // true lengthIs4([1,2,3,4]); // true