[Haskell-cafe] Doing without IORef

Alfonso Acosta alfonso.acosta at gmail.com
Thu Apr 3 06:08:15 EDT 2008

> type MyState a = StateT FilePath IO a

> Is there any way in which I can do without IORef in tabHandler and
> commandLoop (written in red and bold, if you can see)?

How about keeping the IORef but storing it inside the state?

type MySate a = StateT (IORef FilePath) IO a

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