procedure main()
    local base, update, master, f, k

    base := table()
    base["name"] := "Rocket Skates"
    base["price"] := 12.75
    base["color"] := "yellow"

    update := table()
    update["price"] := 15.25
    update["color"] := "red"
    update["year"] := 1974

    master := table()
    every k := key((f := base | update)) do {
        master[k] := f[k]
    }

    every k := key(master) do {
        write(k, " = ", master[k])
    }
end