project prj "Project" "1.0" 2000-01-01 - 2000-03-01 {
  timingresolution 15min
  timezone "America/Denver"
}

resource tuxus "Tuxus"
resource truck "Truck" {
  # Truck does not do any work!
  efficiency 0.0
}

task t "Ship stones to customers" {
  start 2000-01-01
  effort 5d
  # We need the truck to deliver the stones, so only allocate
  # tuxus when the truck is available.
  allocate tuxus
  allocate truck { mandatory }
}