(self, vm: &VirtualMachine)
| 49 | } |
| 50 | |
| 51 | pub fn not(self, vm: &VirtualMachine) -> PyResult<bool> { |
| 52 | self.is_true(vm).map(|x| !x) |
| 53 | } |
| 54 | |
| 55 | pub fn length_hint(self, defaultvalue: usize, vm: &VirtualMachine) -> PyResult<usize> { |
| 56 | Ok(vm.length_hint_opt(self)?.unwrap_or(defaultvalue)) |