Trait StructuralPartialEq

pub trait StructuralPartialEq { }

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

Required trait for constants used in pattern matches.

Constants are only allowed as patterns if (a) their type implements PartialEq, and (b) interpreting the value of the constant as a pattern is equialent to calling PartialEq. This ensures that constants used as patterns cannot expose implementation details in an unexpected way or cause semver hazards.

This trait ensures point (b). Any type that derives PartialEq automatically implements this trait.

Implementing this trait (which is unstable) is a way for type authors to explicitly allow comparing const values of this type; that operation will recursively compare all fields (including private fields), even if that behavior differs from PartialEq. This can make it semver-breaking to add further private fields to a type.

Implementors

impl StructuralPartialEq for PathError

impl StructuralPartialEq for TypeDefPrimitive

impl StructuralPartialEq for MetaForm

impl StructuralPartialEq for PortableForm

impl StructuralPartialEq for scale_info::prelude::cmp::Ordering

impl StructuralPartialEq for TryReserveErrorKind

impl StructuralPartialEq for scale_info::prelude::fmt::Alignment

impl StructuralPartialEq for DebugAsHex

impl StructuralPartialEq for Sign

impl StructuralPartialEq for FpCategory

impl StructuralPartialEq for IntErrorKind

impl StructuralPartialEq for scale_info::prelude::sync::atomic::Ordering

impl StructuralPartialEq for RecvTimeoutError

impl StructuralPartialEq for TryRecvError

impl StructuralPartialEq for AsciiChar

impl StructuralPartialEq for FromBytesWithNulError

impl StructuralPartialEq for IpAddr

impl StructuralPartialEq for Ipv6MulticastScope

impl StructuralPartialEq for SocketAddr

impl StructuralPartialEq for GetDisjointMutError

impl StructuralPartialEq for SearchStep

impl StructuralPartialEq for BacktraceStatus

impl StructuralPartialEq for VarError

impl StructuralPartialEq for SeekFrom

impl StructuralPartialEq for ErrorKind

impl StructuralPartialEq for Shutdown

impl StructuralPartialEq for BacktraceStyle

impl StructuralPartialEq for byte_slice_cast::Error

impl StructuralPartialEq for Case

impl StructuralPartialEq for bool

impl StructuralPartialEq for char

impl StructuralPartialEq for i8

impl StructuralPartialEq for i16

impl StructuralPartialEq for i32

impl StructuralPartialEq for i64

impl StructuralPartialEq for i128

impl StructuralPartialEq for isize

impl StructuralPartialEq for str

impl StructuralPartialEq for u8

impl StructuralPartialEq for u16

impl StructuralPartialEq for u32

impl StructuralPartialEq for u64

impl StructuralPartialEq for u128

impl StructuralPartialEq for ()

impl StructuralPartialEq for usize

impl StructuralPartialEq for PortableRegistry

impl StructuralPartialEq for PortableType

impl StructuralPartialEq for Registry

impl StructuralPartialEq for UnorderedKeyError

impl StructuralPartialEq for TryReserveError

impl StructuralPartialEq for scale_info::prelude::fmt::Error

impl StructuralPartialEq for FormattingOptions

impl StructuralPartialEq for Assume

impl StructuralPartialEq for ParseFloatError

impl StructuralPartialEq for ParseIntError

impl StructuralPartialEq for TryFromIntError

impl StructuralPartialEq for RangeFull

impl StructuralPartialEq for FromUtf8Error

impl StructuralPartialEq for String

impl StructuralPartialEq for RecvError

impl StructuralPartialEq for WaitTimeoutResult

impl StructuralPartialEq for Duration

impl StructuralPartialEq for Instant

impl StructuralPartialEq for SystemTime

impl StructuralPartialEq for TryFromFloatSecsError

impl StructuralPartialEq for CString

impl StructuralPartialEq for FromVecWithNulError

impl StructuralPartialEq for IntoStringError

impl StructuralPartialEq for NulError

impl StructuralPartialEq for Layout

impl StructuralPartialEq for LayoutError

impl StructuralPartialEq for AllocError

impl StructuralPartialEq for CharTryFromError

impl StructuralPartialEq for ParseCharError

impl StructuralPartialEq for DecodeUtf16Error

impl StructuralPartialEq for TryFromCharError

impl StructuralPartialEq for CpuidResult

impl StructuralPartialEq for CStr

impl StructuralPartialEq for FromBytesUntilNulError

impl StructuralPartialEq for Ipv4Addr

impl StructuralPartialEq for Ipv6Addr

impl StructuralPartialEq for AddrParseError

impl StructuralPartialEq for SocketAddrV4

impl StructuralPartialEq for SocketAddrV6

impl StructuralPartialEq for core::ptr::alignment::Alignment

impl StructuralPartialEq for ParseBoolError

impl StructuralPartialEq for Utf8Error

impl StructuralPartialEq for RawWaker

impl StructuralPartialEq for RawWakerVTable

impl StructuralPartialEq for FileType

impl StructuralPartialEq for Permissions

impl StructuralPartialEq for UCred

impl StructuralPartialEq for StripPrefixError

impl StructuralPartialEq for ExitCode

impl StructuralPartialEq for ExitStatus

impl StructuralPartialEq for ExitStatusError

impl StructuralPartialEq for Output

impl StructuralPartialEq for AccessError

impl StructuralPartialEq for ThreadId

impl StructuralPartialEq for SplicedStr

impl StructuralPartialEq for OptionBool

impl StructuralPartialEq for parity_scale_codec::error::Error

impl StructuralPartialEq for IgnoredAny

impl StructuralPartialEq for serde::de::value::Error

impl StructuralPartialEq for PhantomPinned

impl<'a> StructuralPartialEq for Utf8Pattern<'a>

impl<'a> StructuralPartialEq for Component<'a>

impl<'a> StructuralPartialEq for Prefix<'a>

impl<'a> StructuralPartialEq for Unexpected<'a>

impl<'a> StructuralPartialEq for Location<'a>

impl<'a> StructuralPartialEq for Utf8Chunk<'a>

impl<'a> StructuralPartialEq for PhantomContravariantLifetime<'a>

impl<'a> StructuralPartialEq for PhantomCovariantLifetime<'a>

impl<'a> StructuralPartialEq for PhantomInvariantLifetime<'a>

impl<'a, T> StructuralPartialEq for CompactRef<'a, T>

impl<'a, T: 'a> StructuralPartialEq for Symbol<'a, T>

impl<B, C> StructuralPartialEq for ControlFlow<B, C>

impl<Idx> StructuralPartialEq for scale_info::prelude::ops::Range<Idx>

impl<Idx> StructuralPartialEq for scale_info::prelude::ops::RangeFrom<Idx>

impl<Idx> StructuralPartialEq for scale_info::prelude::ops::RangeInclusive<Idx>

impl<Idx> StructuralPartialEq for RangeTo<Idx>

impl<Idx> StructuralPartialEq for RangeToInclusive<Idx>

impl<Idx> StructuralPartialEq for core::range::Range<Idx>

impl<Idx> StructuralPartialEq for core::range::RangeFrom<Idx>

impl<Idx> StructuralPartialEq for core::range::RangeInclusive<Idx>

impl<T> StructuralPartialEq for Bound<T>

impl<T> StructuralPartialEq for SendTimeoutError<T>

impl<T> StructuralPartialEq for TrySendError<T>

impl<T> StructuralPartialEq for Option<T>

impl<T> StructuralPartialEq for Poll<T>

impl<T> StructuralPartialEq for &T

where T: ?Sized,

impl<T> StructuralPartialEq for [T]

impl<T> StructuralPartialEq for (T₁, T₂, …, Tₙ)

This trait is implemented for tuples up to twelve items long.

impl<T> StructuralPartialEq for Interner<T>

impl<T> StructuralPartialEq for UntrackedSymbol<T>

impl<T> StructuralPartialEq for Reverse<T>

impl<T> StructuralPartialEq for ManuallyDrop<T>

where T: ?Sized,

impl<T> StructuralPartialEq for NonZero<T>

where T: ZeroablePrimitive + StructuralPartialEq,

impl<T> StructuralPartialEq for Saturating<T>

impl<T> StructuralPartialEq for Wrapping<T>

impl<T> StructuralPartialEq for SendError<T>

impl<T> StructuralPartialEq for Cursor<T>

impl<T> StructuralPartialEq for CapacityError<T>

impl<T> StructuralPartialEq for Compact<T>

impl<T> StructuralPartialEq for PhantomData<T>

where T: ?Sized,

impl<T, E> StructuralPartialEq for Result<T, E>

impl<T, const N: usize> StructuralPartialEq for [T; N]

impl<T: Form> StructuralPartialEq for TypeDef<T>

impl<T: Form> StructuralPartialEq for Field<T>

impl<T: Form> StructuralPartialEq for Path<T>

impl<T: Form> StructuralPartialEq for Type<T>

impl<T: Form> StructuralPartialEq for TypeDefArray<T>

impl<T: Form> StructuralPartialEq for TypeDefBitSequence<T>

impl<T: Form> StructuralPartialEq for TypeDefCompact<T>

impl<T: Form> StructuralPartialEq for TypeDefComposite<T>

impl<T: Form> StructuralPartialEq for TypeDefSequence<T>

impl<T: Form> StructuralPartialEq for TypeDefTuple<T>

impl<T: Form> StructuralPartialEq for TypeDefVariant<T>

impl<T: Form> StructuralPartialEq for TypeParameter<T>

impl<T: Form> StructuralPartialEq for Variant<T>

impl<Y, R> StructuralPartialEq for CoroutineState<Y, R>