A tiny, faster alternative to native Array.prototype.findIndex
npm install @arr/findindex> A tiny, faster alternative to native Array.prototype.findIndex
:warning: Unlike native, @arr/findindex does _not_ support the optional thisArg parameter!
```
$ npm install --save @arr/findindex
`js
import findIndex from '@arr/findindex';
findIndex([12, 5, 8, 130, 44], val => val > 15);
//=> 3
`
#### arr
Type: Array
The array to iterate upon.
#### callback(value[, index, array])
Type: Function
Function to test for each element, taking three arguments:
* value (required) -- The current element being processed in the array.
* index (optional) -- The index of the current element being processed in the array.
* array (optional) -- The array findIndex` was called upon.
MIT © Luke Edwards