fun void in1(float dynamic, dur length){
    Event in1_off;
    spork ~ in1(dynamic, in1_off);
    length => now;
    in1_off.broadcast();
    10::second => now;
}

fun void in1(float dynamic, Event off){
    <<<"in1 on", dynamic>>>;
    off => now;
    <<<"in1 off",dynamic>>>;
    1::second => now;
    <<<"in1, 1 second after off",dynamic>>>;
}

fun void in2(float dynamic, dur length){
    Event in2_off;
    spork ~ in2(dynamic, in2_off);
    length => now;
    in2_off.broadcast();
    10::second => now;
}

fun void in2(float dynamic, Event off){
    <<<"in2 on",dynamic>>>;
    off => now;
    <<<"in2 off",dynamic>>>;
    2::second => now;
    <<<"in2, 2 seconds after off",dynamic>>>;
}

Event in1_off, in2_off;
spork ~ in1(1,in1_off);
spork ~ in2(.9,in2_off);
spork ~ in1(.6, 1::second);
spork ~ in2(.1, 2::second);

200::ms => now;

in1_off.broadcast();

1::week => now;