#### basic_socket_streambuf::expires_at

Set the stream buffer's expiry time as an absolute time.

    void expires_at(
        const time_point & expiry_time);

This function sets the expiry time associated with the stream. Stream operations performed after this time (where the operations cannot be completed using the internal buffers) will fail with the error `asio::error::operation_aborted`.

###### Parameters

expiry_time

  The expiry time to be used for the stream.