Method finditer

crates/vm/src/stdlib/_sre.rs:316–333

(
            zelf: PyRef<Self>,
            string_args: StringArgs,
            vm: &VirtualMachine,
        )

        #[pymethod]
        fn finditer(
            zelf: PyRef<Self>,
            string_args: StringArgs,
            vm: &VirtualMachine,
        ) -> PyResult<PyCallableIterator> {
            let scanner = SreScanner {
                pattern: zelf,
                string: string_args.string,
                start: AtomicCell::new(string_args.pos),
                end: string_args.endpos,
                must_advance: AtomicCell::new(false),
            }
            .into_ref(&vm.ctx);
            let search = vm.get_str_method(scanner.into(), "search").unwrap()?;
            let search = ArgCallable::try_from_object(vm, search)?;
            let iterator = PyCallableIterator::new(search, vm.ctx.none());
            Ok(iterator)
        }

        #[pymethod]
        fn scanner(