[−][src]Trait scale_info::prelude::marker::StructuralPartialEq

#[lang = "structural_peq"]pub trait StructuralPartialEq { }

🔬 This is a nightly-only experimental API. (structural_match)

Required trait for constants used in pattern matches.

Any type that derives PartialEq automatically implements this trait, regardless of whether its type-parameters implement Eq.

If a const item contains some type that does not implement this trait, then that type either (1.) does not implement PartialEq (which means the constant will not provide that comparison method, which code generation assumes is available), or (2.) it implements its own version of PartialEq (which we assume does not conform to a structural-equality comparison).

In either of the two scenarios above, we reject usage of such a constant in a pattern match.

See also the structural match RFC, and issue 63438 which motivated migrating from attribute-based design to this trait.

Implementations on Foreign Types

`impl StructuralPartialEq for NulError`[src]

`impl StructuralPartialEq for Output`[src]

`impl<T> StructuralPartialEq for Cursor<T>`[src]

`impl StructuralPartialEq for TryRecvError`[src]

`impl StructuralPartialEq for CString`[src]

`impl StructuralPartialEq for ExitStatus`[src]

`impl<T> StructuralPartialEq for SendError<T>`[src]

`impl StructuralPartialEq for StripPrefixError`[src]

`impl StructuralPartialEq for AddrParseError`[src]

`impl StructuralPartialEq for SeekFrom`[src]

`impl StructuralPartialEq for ThreadId`[src]

`impl StructuralPartialEq for SocketAddr`[src]

`impl StructuralPartialEq for Permissions`[src]

`impl StructuralPartialEq for VarError`[src]

`impl StructuralPartialEq for IpAddr`[src]

`impl StructuralPartialEq for ErrorKind`[src]

`impl<'a> StructuralPartialEq for Prefix<'a>`[src]

`impl StructuralPartialEq for RecvError`[src]

`impl<T> StructuralPartialEq for TrySendError<T>`[src]

`impl<'a> StructuralPartialEq for Component<'a>`[src]

`impl StructuralPartialEq for SystemTime`[src]

`impl StructuralPartialEq for FromVecWithNulError`[src]

`impl StructuralPartialEq for Ipv6MulticastScope`[src]

`impl StructuralPartialEq for AccessError`[src]

`impl StructuralPartialEq for BacktraceStatus`[src]

`impl StructuralPartialEq for UCred`[src]

`impl StructuralPartialEq for Instant`[src]

`impl StructuralPartialEq for RecvTimeoutError`[src]

`impl StructuralPartialEq for FromBytesWithNulError`[src]

`impl StructuralPartialEq for FileType`[src]

`impl StructuralPartialEq for WaitTimeoutResult`[src]

`impl StructuralPartialEq for Shutdown`[src]

`impl StructuralPartialEq for IntoStringError`[src]

`impl<T> StructuralPartialEq for Option<T>`[src]

`impl<Idx> StructuralPartialEq for Range<Idx>`[src]

`impl<'a> StructuralPartialEq for Utf8LossyChunk<'a>`[src]

`impl StructuralPartialEq for RawWaker`[src]

`impl StructuralPartialEq for SearchStep`[src]

`impl StructuralPartialEq for Utf8Error`[src]

`impl StructuralPartialEq for Ordering`[src]

`impl StructuralPartialEq for RawWakerVTable`[src]

`impl StructuralPartialEq for LayoutError`[src]

`impl StructuralPartialEq for CpuidResult`[src]

`impl<Idx> StructuralPartialEq for RangeFrom<Idx>`[src]

`impl<T, E> StructuralPartialEq for Result<T, E>`[src]

`impl<B, C> StructuralPartialEq for ControlFlow<B, C>`[src]

`impl StructuralPartialEq for ParseBoolError`[src]

`impl<Y, R> StructuralPartialEq for GeneratorState<Y, R>`[src]

`impl StructuralPartialEq for AllocError`[src]

`impl StructuralPartialEq for Duration`[src]

`impl StructuralPartialEq for RangeFull`[src]

`impl<Idx> StructuralPartialEq for RangeInclusive<Idx>`[src]

`impl StructuralPartialEq for CharTryFromError`[src]

`impl StructuralPartialEq for ParseCharError`[src]

`impl StructuralPartialEq for Layout`[src]

`impl<Idx> StructuralPartialEq for RangeToInclusive<Idx>`[src]

`impl<'a> StructuralPartialEq for Location<'a>`[src]

`impl<Idx> StructuralPartialEq for RangeTo<Idx>`[src]

`impl StructuralPartialEq for NoneError`[src]

`impl StructuralPartialEq for DecodeUtf16Error`[src]

`impl<T> StructuralPartialEq for Poll<T>`[src]

`impl StructuralPartialEq for _Unwind_Reason_Code`

`impl StructuralPartialEq for _Unwind_Action`

`impl StructuralPartialEq for OptionBool`[src]

`impl StructuralPartialEq for Error`[src]

`impl<T> StructuralPartialEq for Compact<T>`[src]

`impl<T> StructuralPartialEq for CapacityError<T>`[src]

`impl StructuralPartialEq for Error`

`impl StructuralPartialEq for Error`[src]

`impl<'a> StructuralPartialEq for Unexpected<'a>`[src]

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Implementors

`impl StructuralPartialEq for PathError`[src]

`impl StructuralPartialEq for TypeDefPrimitive`[src]

`impl StructuralPartialEq for MetaForm`[src]

`impl StructuralPartialEq for scale_info::prelude::cmp::Ordering`1.0.0[src]

`impl StructuralPartialEq for TryReserveError`[src]

`impl StructuralPartialEq for FpCategory`1.0.0[src]

`impl StructuralPartialEq for IntErrorKind`[src]

`impl StructuralPartialEq for TypeId`1.0.0[src]

`impl StructuralPartialEq for scale_info::prelude::fmt::Error`1.0.0[src]

`impl StructuralPartialEq for PhantomPinned`1.33.0[src]

`impl StructuralPartialEq for NonZeroI8`1.34.0[src]

`impl StructuralPartialEq for NonZeroI16`1.34.0[src]

`impl StructuralPartialEq for NonZeroI32`1.34.0[src]

`impl StructuralPartialEq for NonZeroI64`1.34.0[src]

`impl StructuralPartialEq for NonZeroI128`1.34.0[src]

`impl StructuralPartialEq for NonZeroIsize`1.34.0[src]

`impl StructuralPartialEq for NonZeroU8`1.28.0[src]

`impl StructuralPartialEq for NonZeroU16`1.28.0[src]

`impl StructuralPartialEq for NonZeroU32`1.28.0[src]

`impl StructuralPartialEq for NonZeroU64`1.28.0[src]

`impl StructuralPartialEq for NonZeroU128`1.28.0[src]

`impl StructuralPartialEq for NonZeroUsize`1.28.0[src]

`impl StructuralPartialEq for ParseFloatError`1.0.0[src]

`impl StructuralPartialEq for ParseIntError`1.0.0[src]

`impl StructuralPartialEq for TryFromIntError`1.34.0[src]

`impl StructuralPartialEq for FromUtf8Error`1.0.0[src]

`impl StructuralPartialEq for Registry`[src]

`impl<'a, T> StructuralPartialEq for Symbol<'a, T>`[src]

`impl<S> StructuralPartialEq for PortableForm<S>`[src]

`impl<S> StructuralPartialEq for PortableRegistry<S> where S: FormString,` [src]

`impl<T> StructuralPartialEq for Bound<T>`1.17.0[src]

`impl<T> StructuralPartialEq for Interner<T>`[src]

`impl<T> StructuralPartialEq for UntrackedSymbol<T>`[src]

`impl<T> StructuralPartialEq for Reverse<T>`1.19.0[src]

`impl<T> StructuralPartialEq for BTreeSet<T>`1.0.0[src]

`impl<T> StructuralPartialEq for PhantomData<T> where T: ?Sized,` [src]

`impl<T> StructuralPartialEq for ManuallyDrop<T> where T: ?Sized,` 1.20.0[src]

`impl<T> StructuralPartialEq for Wrapping<T>`1.0.0[src]

`impl<T: Form> StructuralPartialEq for TypeDef<T>`[src]

`impl<T: Form> StructuralPartialEq for Field<T>`[src]

`impl<T: Form> StructuralPartialEq for Path<T>`[src]

`impl<T: Form> StructuralPartialEq for Type<T>`[src]

`impl<T: Form> StructuralPartialEq for TypeDefArray<T>`[src]

`impl<T: Form> StructuralPartialEq for TypeDefComposite<T>`[src]

`impl<T: Form> StructuralPartialEq for TypeDefPhantom<T>`[src]

`impl<T: Form> StructuralPartialEq for TypeDefSequence<T>`[src]

`impl<T: Form> StructuralPartialEq for TypeDefTuple<T>`[src]

`impl<T: Form> StructuralPartialEq for TypeDefVariant<T>`[src]

`impl<T: Form> StructuralPartialEq for Variant<T>`[src]

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