[MLton-devel] request for better implementation of IO.Io

[Matthew Fluet]

Norman,

We received a similar request a couple of months ago; the update made it
into the latest 20030312 release available at www.mlton.org.  An upgrade
of MLton and recompile of uSmalltalk should do the trick.


On Tue, 15 Apr 2003, Norman Ramsey wrote:

> My students are understandably confused to receive an error message
> such as the following:
>
>   ice3 ~ >> usmalltalk
>   -> (use xxx)
>   I/O error: <unimplemented>
>   ice3 ~ >>
>
> I believe I've traced the problem to your implementation of the Io exception:
>
>     ice3 ~ >> grep -w Io ~/src/instructor/usmalltalk/usm.sml
>        | IO.Io {name, ...} => continue ("I/O error: " ^ name)
>     ice3 ~ >>
>
> It would be nice if the value in the `name' field of the record could
> be improved.
>
>
> Norman
>
>
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