Method _send

starlette/middleware/errors.py:156–161

(message: Message)

        response_started = False

        async def _send(message: Message) -> None:
            nonlocal response_started, send

            if message[class="st">"type"] == class="st">"http.response.start":
                response_started = True
            await send(message)

        try:
            await self.app(scope, receive, _send)