Method py_partition

crates/vm/src/anystr.rs:321–343

(
        &'a self,
        sub: &Self,
        split: F,
        vm: &VirtualMachine,
    )

    }

    fn py_partition<'a, F, S>(
        &'a self,
        sub: &Self,
        split: F,
        vm: &VirtualMachine,
    ) -> PyResult<(Self::Container, bool, Self::Container)>
    where
        F: Fn() -> S,
        S: core::iter::Iterator<Item = &'a Self>,
    {
        if sub.is_empty() {
            return Err(vm.new_value_error("empty separator"));
        }

        let mut sp = split();
        let front = sp.next().unwrap().to_container();
        let (has_mid, back) = if let Some(back) = sp.next() {
            (true, back.to_container())
        } else {
            (false, Self::Container::new())
        };
        Ok((front, has_mid, back))
    }

    fn py_removeprefix<FC>(&self, prefix: &Self, prefix_len: usize, is_prefix: FC) -> &Self
    where