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arity-n
============
[](https://travis-ci.org/stoeffel/arityN) [](http://badge.fury.io/js/arity-n)
> Wraps a function with a function of a sertain arity.
Installation
------------
`npm install arity-n`
Usage
-----
```js
function fn(a, b, c, d) {
}
var arityN = require('arity-n');
var newFn = arityN(fn, 3);
newFn.length; // => 3
var arity4 = require('arity-n/4');
var newFn = arity4(fn);
newFn.length; // => 4
// Max arity is 5.
var newFn = arityN(fn, 7);
newFn.length; // => 4
```