[Development] Qt 5.9's new garbage collector documentation? + root_ptr

[Tim Blechmann]

> On the other hand, I have good news as I think I have found a way to
> simulate functions that return a function.

how to you cope with structures like:

function foo( outObject )
{
    var object = {}
    outObject.object = object
    outObject.result = function() { return object }
    return function() { return bar( object ) }
}