Call Arity, oneShot or both

[David Feuer]

Simon Peyton Jones wrote:

>
> But since it is plausible that there are cases out there where it might
> help, even if just a little, we could go forward  ?unless the
> implementation becomes ugly.
>

Based on our experience with Call Arity, it's much more likely that it will
help a lot in a few cases than that it will help a little in a lot of cases.

David
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