Beast works with the Stream concept, so it automatically works with the `boost::asio::ssl::stream` that you have already set up through Asio.
Beast works with the Stream concept, so it automatically works with the `boost::asio::ssl::stream` that you have already set up through Asio.基于 Stream 概念，因此能自动兼容通过 Asio 已配置好的 `boost::asio::ssl::stream`。
Bstran
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works with the Stream concept, so it automatically works with the `boost::asio::ssl::stream` that you have already set up through Asio.基于 Stream 概念，因此能自动兼容通过 Asio 已配置好的 `boost::asio::ssl::stream`。