I have problem. return value issue.

[ztoday21]

Here is my problem code..

var Sync = require('sync');
function out(arr, callback) {
callback(null, arr[0], arr[1], arr[2], arr[3]);
}

Sync(function() {
var results = out.sync(null, [1,2,3,4]);
console.log(resluts); /// output : [1,2,3,4]
var results = out.sync(null, [1,0,3,4]);
console.log(resluts); /// output : 1 <--------!!!!!!
var results = out.sync(null, [1,2,0,4]);
console.log(resluts); /// output : [1,2,0,4]
});