Method __iadd__

crates/vm/src/builtins/bytearray.rs:239–248

(
        zelf: PyRef<Self>,
        other: ArgBytesLike,
        vm: &VirtualMachine,
    )

    }

    fn __iadd__(
        zelf: PyRef<Self>,
        other: ArgBytesLike,
        vm: &VirtualMachine,
    ) -> PyResult<PyRef<Self>> {
        zelf.try_resizable(vm)?
            .elements
            .extend(&*other.borrow_buf());
        Ok(zelf)
    }

    fn __getitem__(&self, needle: PyObjectRef, vm: &VirtualMachine) -> PyResult {
        self._getitem(&needle, vm)