UCSD-PL/RefScript — pull request #20 by panagosg7 (2014-09-09 02:32:24+00:00)
Title: Forin

``` javascript
for (var k in obj) {

}
```

gets translated to

``` javascript
var _keys = builtin_BIForInKeys(obj);
// Array

for (var _i = 0; _i < _keys.length; _i++) {
var k = _keys[_i];

}
```