[ghc-steering-committee] #380 GHC2021: Forth status update / kialo.com

[Spiwack, Arnaud]

On Tue, Dec 15, 2020 at 9:28 PM Simon Marlow <marlowsd at gmail.com> wrote:

> It would be slightly strange to have a language feature that is enabled by
> default but generates a warning every time you use it. I'd rather the
> warning was disabled by default, but I agree that PartialTypeSignatures
> should be on.
>

I'm not sure what warning is “on by default”, as I always have at least
`-Wall` turned on all the time. But isn't every instance of a warning a
case of “a feature that is enabled by default but generates a warning”?
Name shadowing is one such. So is incomplete pattern matching.

What I mean, I guess, is that every warning could be an error if we so
desired, couldn't they? What's special about this one?
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