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arity-n

arity-n

Build Status npm version

Wraps a function with a function of a sertain arity.

Installation

npm install arity-n

Usage

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