fn main() {
let domain = cheby::Domain::new(qtty::Second::new(0.0), qtty::Second::new(1.0));
let series = cheby::ChebySeriesOn::new(
domain,
cheby::ChebySeries::new([qtty::Kilometer::new(0.0), qtty::Kilometer::new(1.0)]),
);
let velocity: qtty::Kilometer = series
.evaluate_derivative(qtty::Second::new(0.5))
.unwrap();
let _ = velocity;
}