On Thu, Aug 07, 2025 at 03:52:37PM +0200, Paolo Bonzini wrote: > Date: Thu, 7 Aug 2025 15:52:37 +0200 > From: Paolo Bonzini <pbonz...@redhat.com> > Subject: Re: [RFC 01/26] rust/hpet: Fix the error caused by vm-memory > > On 8/7/25 14:30, Zhao Liu wrote: > > error[E0283]: type annotations needed > > --> hw/timer/hpet/src/device.rs:884:55 > > | > > 884 | self.num_timers == self.num_timers_save.get().into() > > | -- ^^^^ > > | | > > | type must be known at this point > > | > > = note: multiple `impl`s satisfying `usize: PartialEq<_>` found in the > > following crates: `core`, `vm_memory`: > > - impl PartialEq<vm_memory::endian::BeSize> for usize; > > - impl PartialEq<vm_memory::endian::LeSize> for usize; > > - impl<host> PartialEq for usize > > where the constant `host` has type `bool`; > > help: try using a fully qualified path to specify the expected types > > | > > 884 | self.num_timers == <u8 as > > Into<T>>::into(self.num_timers_save.get()) > > | ++++++++++++++++++++++ > > ~ > > Oh, interesting. In this case, you can write: > > usize::from(self.num_timers_save.get())
Ah, yes, this way is simpler! Thanks. -Zhao