// ensure an array can different subclasses of its declared type[new SinOsc, new SinOsc, new TriOsc] @=> UGen a[];[new SinOsc, new SinOsc, new TriOsc] @=> Osc b[];[new SinOsc, new SinOsc, new SinOsc] @=> UGen c[];[new SinOsc] @=> UGen d[];UGen e[0];[new SinOsc, new Event] @=> Object f[]; a << new Noise;e << new Noise << new SinOsc; if (a.size() != 4) <<< "test failed" >>>;else if (e.size() != 2) <<< "test failed" >>>;else <<< "success" >>>;