#### basic_raw_socket::async_send_to

Start an asynchronous send.

    template<
        typename ConstBufferSequence,
        typename WriteHandler>
    DEDUCED async_send_to(
        const ConstBufferSequence & buffers,
        const endpoint_type & destination,
        WriteHandler && handler);
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    template<
        typename ConstBufferSequence,
        typename WriteHandler>
    DEDUCED async_send_to(
        const ConstBufferSequence & buffers,
        const endpoint_type & destination,
        socket_base::message_flags flags,
        WriteHandler && handler);
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