Trait TrivialClone 

pub unsafe trait TrivialClone: Clone { }

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

Indicates that the Clone implementation is identical to copying the value.

This is used for some optimizations in the standard library, which specializes on this trait to select faster implementations of functions such as clone_from_slice. It is automatically implemented when using #[derive(Clone, Copy)].

Note that this trait does not imply that the type is Copy, because e.g. core::ops::Range<i32> could soundly implement this trait.

Safety

Clone::clone must be equivalent to copying the value, otherwise calling functions such as slice::clone_from_slice can have undefined behaviour.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl TrivialClone for !

impl TrivialClone for AccessError

impl TrivialClone for std::mem::Alignment

impl TrivialClone for std::fmt::Alignment

impl TrivialClone for AllocError

impl TrivialClone for AsciiChar

impl TrivialClone for Assume

impl TrivialClone for BacktraceStyle

impl TrivialClone for CharCase

impl TrivialClone for CharTryFromError

impl TrivialClone for CodePoint

impl TrivialClone for CodePointInner

impl TrivialClone for CpuidResult

impl TrivialClone for DebugAsHex

impl TrivialClone for Decimal

impl TrivialClone for Decoded

impl TrivialClone for Duration

impl TrivialClone for Empty

impl TrivialClone for Error

impl TrivialClone for ErrorKind

impl TrivialClone for std::process::ExitCode

impl TrivialClone for std::sys::process::unix::common::ExitCode

impl TrivialClone for std::process::ExitStatus

impl TrivialClone for std::sys::process::unix::unix::ExitStatus

impl TrivialClone for std::process::ExitStatusError

impl TrivialClone for std::sys::process::unix::unix::ExitStatusError

impl TrivialClone for FieldId

impl TrivialClone for std::fs::FileTimes

impl TrivialClone for std::sys::fs::unix::FileTimes

impl TrivialClone for std::fs::FileType

impl TrivialClone for std::sys::fs::unix::FileType

impl TrivialClone for FormattingOptions

impl TrivialClone for Fp

impl TrivialClone for FpCategory

impl TrivialClone for FromBytesUntilNulError

impl TrivialClone for FromBytesWithNulError

impl TrivialClone for FullDecoded

impl TrivialClone for Global

impl TrivialClone for I32NotAllOnes

impl TrivialClone for I64NotAllOnes

impl TrivialClone for std::time::Instant

impl TrivialClone for std::sys::time::unix::Instant

impl TrivialClone for IntErrorKind

impl TrivialClone for IpAddr

impl TrivialClone for Ipv4Addr

impl TrivialClone for Ipv6Addr

impl TrivialClone for Ipv6MulticastScope

impl TrivialClone for Layout

impl TrivialClone for Locality

impl TrivialClone for Mode

impl TrivialClone for Nanoseconds

impl TrivialClone for NonZeroCharInner

impl TrivialClone for NonZeroI8Inner

impl TrivialClone for NonZeroI16Inner

impl TrivialClone for NonZeroI32Inner

impl TrivialClone for NonZeroI64Inner

impl TrivialClone for NonZeroI128Inner

impl TrivialClone for NonZeroIsizeInner

impl TrivialClone for NonZeroU8Inner

impl TrivialClone for NonZeroU16Inner

impl TrivialClone for NonZeroU32Inner

impl TrivialClone for NonZeroU64Inner

impl TrivialClone for NonZeroU128Inner

impl TrivialClone for NonZeroUsizeInner

impl TrivialClone for Operation

impl TrivialClone for std::cmp::Ordering

impl TrivialClone for std::sync::atomic::Ordering

impl TrivialClone for PhantomPinned

impl TrivialClone for PrintFmt

impl TrivialClone for ProgramKind

impl TrivialClone for RangeFull

impl TrivialClone for RawWakerVTable

impl TrivialClone for RecvError

impl TrivialClone for RecvTimeoutError

impl TrivialClone for ResumeTy

impl TrivialClone for SearchStep

impl TrivialClone for SeekFrom

impl TrivialClone for Selected

impl TrivialClone for Shutdown

impl TrivialClone for core::num::imp::flt2dec::Sign

impl TrivialClone for std::fmt::Sign

impl TrivialClone for Sink

impl TrivialClone for SocketAddr

impl TrivialClone for SocketAddrV4

impl TrivialClone for SocketAddrV6

impl TrivialClone for std::path::State

impl TrivialClone for std::sys::thread_local::native::eager::State

impl TrivialClone for System

impl TrivialClone for SystemRng

impl TrivialClone for std::time::SystemTime

impl TrivialClone for std::sys::time::unix::SystemTime

impl TrivialClone for ThreadId

impl TrivialClone for Timespec

impl TrivialClone for TryFromCharError

impl TrivialClone for TryFromIntError

impl TrivialClone for TryFromSliceError

impl TrivialClone for TryRecvError

impl TrivialClone for TypeId

impl TrivialClone for U32NotAllOnes

impl TrivialClone for U64NotAllOnes

impl TrivialClone for UCred

Available on Android or Apple or Cygwin or DragonFly BSD or FreeBSD or Linux or NetBSD or OpenBSD or QNX SDP 7.x or QNX SDP 8.0+ only.

impl TrivialClone for UsizeNoHighBit

impl TrivialClone for Utf8Error

impl TrivialClone for WaitTimeoutResult

impl TrivialClone for __m128

impl TrivialClone for __m256

impl TrivialClone for __m512

impl TrivialClone for __m128bh

impl TrivialClone for __m128d

impl TrivialClone for __m128h

impl TrivialClone for __m128i

impl TrivialClone for __m256bh

impl TrivialClone for __m256d

impl TrivialClone for __m256h

impl TrivialClone for __m256i

impl TrivialClone for __m512bh

impl TrivialClone for __m512d

impl TrivialClone for __m512h

impl TrivialClone for __m512i

impl TrivialClone for __tile1024i

impl TrivialClone for bf16

impl TrivialClone for bool

impl TrivialClone for char

impl TrivialClone for f16

impl TrivialClone for f32

impl TrivialClone for f64

impl TrivialClone for f128

impl TrivialClone for i8

impl TrivialClone for i16

impl TrivialClone for i32

impl TrivialClone for i64

impl TrivialClone for i128

impl TrivialClone for isize

impl TrivialClone for u8

impl TrivialClone for u16

impl TrivialClone for u32

impl TrivialClone for u64

impl TrivialClone for u128

impl TrivialClone for usize

impl<'a> TrivialClone for Ancestors<'a>

impl<'a> TrivialClone for Arguments<'a>

impl<'a> TrivialClone for Component<'a>

impl<'a> TrivialClone for EHContext<'a>

impl<'a> TrivialClone for IoSlice<'a>

impl<'a> TrivialClone for Location<'a>

impl<'a> TrivialClone for Part<'a>

impl<'a> TrivialClone for PhantomContravariantLifetime<'a>

impl<'a> TrivialClone for PhantomCovariantLifetime<'a>

impl<'a> TrivialClone for PhantomInvariantLifetime<'a>

impl<'a> TrivialClone for Prefix<'a>

impl<'a> TrivialClone for PrefixComponent<'a>

impl<'a> TrivialClone for Utf8Pattern<'a>

impl<'fd> TrivialClone for BorrowedFd<'fd>

Available on Hermit or Motor OS or Trusty or Unix or WASI only.

impl<Dyn> TrivialClone for DynMetadata<Dyn>

where Dyn: ?Sized,

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

where T: TrivialClone,

impl<T> TrivialClone for &T

where T: ?Sized,

impl<T> TrivialClone for *const T

where T: ?Sized,

impl<T> TrivialClone for *mut T

where T: ?Sized,

impl<T> TrivialClone for Discriminant<T>

impl<T> TrivialClone for MaybeUninit<T>

where MaybeUninit<T>: Clone,

impl<T> TrivialClone for NonNull<T>

where T: ?Sized,

impl<T> TrivialClone for NonZero<T>

where T: ZeroablePrimitive,

impl<T> TrivialClone for Option<T>

where T: TrivialClone,

impl<T> TrivialClone for PhantomContravariant<T>

where T: ?Sized,

impl<T> TrivialClone for PhantomCovariant<T>

where T: ?Sized,

impl<T> TrivialClone for PhantomData<T>

where T: ?Sized,

impl<T> TrivialClone for PhantomInvariant<T>

where T: ?Sized,

impl<T> TrivialClone for SyncView<T>

where T: Sync + TrivialClone,

impl<T> TrivialClone for Unique<T>

where T: ?Sized,