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Example chat server demonstrating async I/O and STM in Haskell
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A simple chat server demonstrating asynchronous I/O (via threads) and STM.

What it does:

  • Listens for connections on port 1234.

  • When a client connects, it asks for their name.

  • If another client with the same name is already disconnected, that client is kicked out to make way for the new client.

  • Any lines the client sends are broadcast to all other clients.

  • Connect and disconnect notices are broadcast as well.

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