method DynHandle.unsetAs

dynamic Limits {
  rps: u32 = 100
}

policy Limits {
  allow set if caller.hasRole("Admin")
}

fn main() io {
  let l = Limits.get()
  let admin = Principal.User("ann", ["Admin"], Map.new(), false, none)
  l.rps.setAs(&admin, 7)!
  l.rps.unsetAs(&admin)!
  print("{l.rps.get()}")
}

100