///|
/// A complete, runnable two-sensor scalar fusion example.
fn main {
  let filter = @kalman.Kalman1D::new(0.0, 1.0, 0.02, 0.1)
  filter.set_gate_threshold(9.210340371976184)
  let sensor_a = [1.0, 1.1, 1.2, 1.3, 1.4]
  let sensor_b = [0.9, 1.0, 1.1, 1.2, 1.3]
  for i in 0..