[nodejs] how to avoid a call back in this case?

[Angelo Chen]

Hi,

got this :

function get_next_id() {
        rclient.incr("next_id", function(err, reply) {
                        return reply
        });
}

will call this with:

   var next_id = get_next_id()

this won't work, because function returns even before 'reply' was
taken from rclient( a redis), one solution is, passing a call back to
the function, is there any other way? thanks.

Angelo

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