Method _callbacks

crates/stdlib/src/_asyncio.rs:613–638

(&self, vm: &VirtualMachine)

        #[pygetset]
        fn _callbacks(&self, vm: &VirtualMachine) -> PyResult<PyObjectRef> {
            let mut result = Vec::new();

            if let Some(cb0) = self.fut_callback0.read().clone() {
                let ctx0 = self
                    .fut_context0
                    .read()
                    .clone()
                    .unwrap_or_else(|| vm.ctx.none());
                result.push(vm.ctx.new_tuple(vec![cb0, ctx0]).into());
            }

            if let Some(callbacks) = self.fut_callbacks.read().clone() {
                let list: PyListRef = callbacks.downcast().unwrap();
                for item in list.borrow_vec().iter() {
                    result.push(item.clone());
                }
            }

            // Return None if no callbacks
            if result.is_empty() {
                Ok(vm.ctx.none())
            } else {
                Ok(vm.ctx.new_list(result).into())
            }
        }

        #[pygetset]
        fn _result(&self, vm: &VirtualMachine) -> PyObjectRef {