Method wrap

starlette/middleware/base.py:119–122

(func: Callable[[], Awaitable[T]])

                async with anyio.create_task_group() as task_group:

                    async def wrap(func: Callable[[], Awaitable[T]]) -> T:
                        result = await func()
                        task_group.cancel_scope.cancel()
                        return result

                    task_group.start_soon(wrap, response_sent.wait)
                    message = await wrap(wrapped_receive)