Henry Laxen wrote:
>> Have I, like Monsier Jourdain, been running in the IO monad all my
>> life, and didn't even know it?

Marc Weber wrote:
> Sure...
> But the ghci error message is another one:
> Try this:
> :set -XNoMonomorphismRestriction

And I highly recommend putting that line in your .ghci file.

There is controversy about whether MR is helpful in general.
It is on by default, so I just leave it that way, and it seems
to be fine.

But at the GHCi prompt, MR is definitely a nuisance.
Get rid of it there by using :set in your .ghci file.

Regards,
Yitz
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