[ghc-steering-committee] Fine-Grained Unused Warnings (#42)

[Chris Dornan]

Thanks Simon.

We clearly need to adopt the -W design and I have asked Jakob to make the switch in the thread.

Chris

> On 22 Feb 2024, at 13:37, Simon Peyton Jones <simon.peytonjones at gmail.com> wrote:
> 
> I have suggested further precision in the spec.  And I strongly urge that we use a -W flag not -f flag to control these warnings.  I have suggested a design in  <https://github.com/ghc-proposals/ghc-proposals/pull/434#issuecomment-1959465348>my comment
> 
> With that done, I approve
> 
> Simon
> 
> On Wed, 21 Feb 2024 at 10:41, Moritz Angermann <moritz.angermann at gmail.com <mailto:moritz.angermann at gmail.com>> wrote:
>> Sorry for the late reply. Last week was LNY week 😓 Just catching up on all the work and other stuff.
>> 
>> I'm with Eric, that this seems fine. And while the -f / -W part is discussed in the alternatives section, I can see reasons for both.
>> 
>> Guess we'll have to see how this plays out. I'm fine with -f or -W and as such +1 from me.
>> 
>> On Tue, 20 Feb 2024 at 05:21, Eric Seidel <eric at seidel.io <mailto:eric at seidel.io>> wrote:
>>> I'm generally fine with this proposal, but does it seem strange to anyone else that this is a -f flag rather than a new set of -W flags?
>>> 
>>> On Thu, Feb 15, 2024, at 02:23, Chris Dornan wrote:
>>> > Indeed — just a gentle reminder that the deadline for amending or 
>>> > objecting to this proposal is this coming Monday 19th.
>>> >
>>> > Chris
>>> >
>>> >> On 15 Feb 2024, at 07:58, Arnaud Spiwack <arnaud.spiwack at tweag.io <mailto:arnaud.spiwack at tweag.io>> wrote:
>>> >> 
>>> >> For the record, Jakob has amended the proposal with the flag on by default. I'm now fully good with the proposal.
>>> >> 
>>> >> On Wed, 14 Feb 2024 at 14:22, Chris Dornan <chris at chrisdornan.com <mailto:chris at chrisdornan.com>> wrote:
>>> >>> Thanks Arnaud — I agree with you and have said as much in the thread and asked Jakob to clarify.
>>> >>> 
>>> >>>> On 13 Feb 2024, at 16:57, Arnaud Spiwack <arnaud.spiwack at tweag.io <mailto:arnaud.spiwack at tweag.io>> wrote:
>>> >>>> 
>>> >>>> I noticed that the default value of the flag is unspecified (I believe that the flag should be on by default, as deactivating transitively unused bindings is pretty situational in my opinion; we may even decide to accept the proposal but without the flag, though I have a feeling that the author wouldn't be willing to implement the flagless version). I made a comment to that effect on Github.
>>> >>>> 
>>> >>>> The rest of the proposal looks good to me.
>>> >>>> 
>>> >>>> On Tue, 13 Feb 2024 at 11:59, Chris Dornan <chris at chrisdornan.com <mailto:chris at chrisdornan.com>> wrote:
>>> >>>>> Proposal: Fine-Grained Unused Warnings (#42)
>>> >>>>> Author: Jakob Brünker
>>> >>>>> Rendered proposal: https://github.com/JakobBruenker/ghc-proposals/blob/fine-grained-unused/proposals/0000-fine-grained-unused-warnings.rst
>>> >>>>> Discussion: https://github.com/ghc-proposals/ghc-proposals/pull/434
>>> >>>>> Recommendation: Acceptance
>>> >>>>> 
>>> >>>>> ## Summary
>>> >>>>> 
>>> >>>>> The proposal partitions warning about unused identifiers into 
>>> >>>>> 
>>> >>>>> a) bindings that are truly unused (not mentioned anywhere) and 
>>> >>>>> b) bindings that are mentioned exclusively in code that is itself (transitively) unused,
>>> >>>>> 
>>> >>>>> and suppresses the latter unless the -freport-indirectly-unused-bindings flag is specified.
>>> >>>>> 
>>> >>>>> The proposal is concise with some well-chosen examples and I recommend everyone at least skim it.
>>> >>>>> 
>>> >>>>> I propose        that we accept this proposal if nobody objects by the start of next week (Monday, 2024-02-19).
>>> >>>>> 
>>> >>>>> Chris
>>> >>>>> _______________________________________________
>>> >>>>> ghc-steering-committee mailing list
>>> >>>>> ghc-steering-committee at haskell.org <mailto:ghc-steering-committee at haskell.org>
>>> >>>>> https://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-steering-committee
>>> >>>> 
>>> >>>> 
>>> >>>> -- 
>>> >>>> Arnaud Spiwack
>>> >>>> Director, Research at https://moduscreate.com <https://moduscreate.com/> and https://tweag.io <https://tweag.io/>.
>>> >>> 
>>> >> 
>>> >> 
>>> >> -- 
>>> >> Arnaud Spiwack
>>> >> Director, Research at https://moduscreate.com <https://moduscreate.com/> and https://tweag.io <https://tweag.io/>.
>>> >
>>> > _______________________________________________
>>> > ghc-steering-committee mailing list
>>> > ghc-steering-committee at haskell.org <mailto:ghc-steering-committee at haskell.org>
>>> > https://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-steering-committee
>>> _______________________________________________
>>> ghc-steering-committee mailing list
>>> ghc-steering-committee at haskell.org <mailto:ghc-steering-committee at haskell.org>
>>> https://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-steering-committee
>> _______________________________________________
>> ghc-steering-committee mailing list
>> ghc-steering-committee at haskell.org <mailto:ghc-steering-committee at haskell.org>
>> https://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-steering-committee
> _______________________________________________
> ghc-steering-committee mailing list
> ghc-steering-committee at haskell.org
> https://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-steering-committee

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.haskell.org/pipermail/ghc-steering-committee/attachments/20240222/e89b7f4a/attachment.html>