Method __contains__

crates/vm/src/builtins/mappingproxy.rs:132–134

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

    }

    pub fn __contains__(&self, key: PyObjectRef, vm: &VirtualMachine) -> PyResult<bool> {
        self._contains(&key, vm)
    }

    fn to_object(&self, vm: &VirtualMachine) -> PyResult {
        Ok(match &self.mapping {