/*
 * Document-method: on_parse_complete=
 *
 * call-seq: on_parse_complete = Proc.new { |obj| ... }
 *
 * This callback setter allows you to pass a Proc/lambda or any other object that responds to #call.
 *
 * It will pass a single parameter, the ruby object built from the last parsed JSON object
 */
static VALUE rb_yajl_parser_set_complete_cb(VALUE self, VALUE callback) {