Method keys

crates/vm/src/protocol/mapping.rs:166–172

(self, vm: &VirtualMachine)

    }

    pub fn keys(self, vm: &VirtualMachine) -> PyResult {
        if let Some(dict) = self.obj.downcast_ref_if_exact::<PyDict>(vm) {
            PyDictKeys::new(dict.to_owned()).to_pyresult(vm)
        } else {
            self.method_output_as_list(identifier!(vm, keys), vm)
        }
    }

    pub fn values(self, vm: &VirtualMachine) -> PyResult {
        if let Some(dict) = self.obj.downcast_ref_if_exact::<PyDict>(vm) {