Method count

crates/vm/src/builtins/range.rs:405–418

(&self, item: PyObjectRef, vm: &VirtualMachine)

    #[pymethod]
    fn count(&self, item: PyObjectRef, vm: &VirtualMachine) -> PyResult<usize> {
        if let Ok(int) = item.clone().downcast::<PyInt>() {
            let count = if self.index_of(int.as_bigint()).is_some() {
                1
            } else {
                0
            };
            Ok(count)
        } else {
            // Dealing with classes who might compare equal with ints in their
            // __eq__, slow search.
            iter_search(self.as_object(), &item, SearchType::Count, vm)
        }
    }
}

impl PyRange {