Step not working when initialized with `new`

[AndrewAday]

new Step(1) => Gain g1 => blackhole;

Step _step(1) => Gain g2 => blackhole;

while (20::ms => now) <<< g1.last(), g2.last() >>>;

prints:
0.000000 1.000000
0.000000 1.000000
0.000000 1.000000
0.000000 1.000000
...etc