Calculates Cartesian product of provided sets.
        
        
            
- Source:
Parameters:
| Name | Type | Description | 
|---|---|---|
| sets | Array | Array of sets. | 
Returns:
- Type:
- 
        
Array
    Cartesian product of provided sets.
    
Example
var product = require('path-to-algorithms/src/combinatorics/' +
'cartesianproduct').cartesianProduct;
var result = product([[1, 2, 3], [3, 2, 1]]);
// [ [ 1, 3 ],
//   [ 1, 2 ],
//   [ 1, 1 ],
//   [ 2, 3 ],
//   [ 2, 2 ],
//   [ 2, 1 ],
//   [ 3, 3 ],
//   [ 3, 2 ],
//   [ 3, 1 ] ]
console.log(result);