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SubjectRe: [PATCH v1 23/28] rust: std_vendor: add `dbg!` macro based on `std`'s one
On Thu, Nov 10, 2022 at 7:02 PM Boqun Feng <boqun.feng@gmail.com> wrote:
>
> and I'm almost convinced ;-) Better add the gist of discussion into
> comment/document/commit log? Users need to know when to use `dbg!` and
> when to use `pr_debug!`, right?

The docs talk about it a bit:

+/// Note that the macro is intended as a debugging tool and therefore you
+/// should avoid having uses of it in version control for long periods
+/// (other than in tests and similar).

That is the original wording from the standard library, but we can
definitely make the rules more concrete on our end with something
like:

`dbg!` is intended as a temporary debugging tool to be used during
development. Therefore, avoid committing `dbg!` macro invocations
into the kernel tree.

For debug output that is intended to be kept, use `pr_debug!` and
similar facilities instead.

Cheers,
Miguel

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