I think doing this only makes sense if the "Monad of no return" proposal is accepted.   I know we have not discussed it here, so I imagine it is a libraries proposal, but I all I can find is some discussion from 2015, and not any kind of status page...   Looks like Cale is a on that committee as well, so maybe he knows the status?

Having said that, I personally already write my instances in the "new" style, so I am not opposed to enabling the warnings by default.

-Iavor




On Sun, Apr 5, 2020 at 2:24 AM Alejandro Serrano Mena <trupill@gmail.com> wrote:
I'm also happy with the proposal as it stands.

Alejandro

El dom., 5 abr. 2020 a las 7:14, Vitaly Bragilevsky (<bravit111@gmail.com>) escribió:
Hi,

I support this proposal. 

Vitaly

ср, 1 апр. 2020 г. в 01:50, Tom Harding <tomjharding@live.co.uk>:
Friends,

This proposal seems very reasonable to me, and the ramifications are minimal. Consequently, I recommend that we accept.

I’d now like to open the proposal up to committee discussion. My belief is that the issue be fairly uncontentious (particularly as prior behaviour can be fully restored by explicitly passing the relevant `-Wno-...` flags to the compiler), but I welcome any thoughts either way.

Thanks,
Tom
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