Messages in this thread | | | From | Andreas Hindborg <> | Subject | Re: [PATCH v2 1/2] rust: sync: impl {Debug,Display} for {Unique,}Arc | Date | Wed, 08 Feb 2023 11:00:25 +0100 |
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Boqun Feng <boqun.feng@gmail.com> writes:
> This allows printing the inner data of `Arc` and its friends if the > inner data implements `Display` or `Debug`. It's useful for logging and > debugging purpose. > > Signed-off-by: Boqun Feng <boqun.feng@gmail.com> > Reviwed-by: Vincenzo Palazzo <vincenzopalazzodev@gmail.com> > ---
Reviewed-by: Andreas Hindborg <a.hindborg@samsung.com>
> rust/kernel/sync/arc.rs | 25 +++++++++++++++++++++++++ > 1 file changed, 25 insertions(+) > > diff --git a/rust/kernel/sync/arc.rs b/rust/kernel/sync/arc.rs > index 519a6ec43644..e6176d9b5b29 100644 > --- a/rust/kernel/sync/arc.rs > +++ b/rust/kernel/sync/arc.rs > @@ -22,6 +22,7 @@ use crate::{ > }; > use alloc::boxed::Box; > use core::{ > + fmt, > marker::{PhantomData, Unsize}, > mem::{ManuallyDrop, MaybeUninit}, > ops::{Deref, DerefMut}, > @@ -522,3 +523,27 @@ impl<T: ?Sized> DerefMut for UniqueArc<T> { > unsafe { &mut self.inner.ptr.as_mut().data } > } > } > + > +impl<T: fmt::Display + ?Sized> fmt::Display for UniqueArc<T> { > + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { > + fmt::Display::fmt(self.deref(), f) > + } > +} > + > +impl<T: fmt::Display + ?Sized> fmt::Display for Arc<T> { > + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { > + fmt::Display::fmt(self.deref(), f) > + } > +} > + > +impl<T: fmt::Debug + ?Sized> fmt::Debug for UniqueArc<T> { > + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { > + fmt::Debug::fmt(self.deref(), f) > + } > +} > + > +impl<T: fmt::Debug + ?Sized> fmt::Debug for Arc<T> { > + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { > + fmt::Debug::fmt(self.deref(), f) > + } > +}
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