Setting a list of values

[Joel via Digitalmars-d-learn]

This has no effect:
_bars.each!(a => { a._plots.fillColor = Color(255, 180, 0); });

I tried putting ..each!((ref a) =>.. with no difference

This works:
foreach(b; _bars) {
        b._plots.fillColor = Color(255, 180, 0);
}