Messages in this thread | | | From | Finn Behrens <> | Subject | Re: [RFC 1/5] rust: sync: impl Display for {Unique,}Arc | Date | Sat, 04 Feb 2023 11:20:29 +0100 |
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On 2 Feb 2023, at 0:22, Boqun Feng wrote:
> This allows printing the inner data of `Arc` and its friends if the > inner data implements `Display`. It's useful for logging and debugging > purpose. > > Signed-off-by: Boqun Feng <boqun.feng@gmail.com> Reviewed-by: Finn Behrens <fin@nyantec.com>
> --- > rust/kernel/sync/arc.rs | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/rust/kernel/sync/arc.rs b/rust/kernel/sync/arc.rs > index 519a6ec43644..fc680a4a795c 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 +523,15 @@ 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) > + } > +} > -- > 2.39.1
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