I have a synchronous thread that Writes data, but the thread consuming it is async and thus needs an AsyncRead. I don't really know how to get started on accomplishing something like this, any suggestions?
You can use a duplex stream for this. The synchronous side will need to use block_on to actually perform the write — you can provide a wrapper that uses a Handle to do a blocking write to the duplex stream.
Consider if you are able to use an tokio::sync::mpsc instead of an Write, as it has native support for blocking sends. Also check out the chapter on bridging with sync code in the Tokio tutorial.
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