numbat/examples/interactive/bar_chart.nbt

let names = ["Iron", "Copper", "Silver", "Gold", "Platinum"]
let elements = map(element, names)

fn density(e: ChemicalElement) -> MassDensity = e.density

let densities = map(density, elements)

bar_chart(densities) |>
  xlabels(names) |>
  value_label("Density") |>
  show