1.0.0[−][src]Trait std::clone::Clone
A common trait for the ability to explicitly duplicate an object.
Differs from Copy
in that Copy
is implicit and extremely inexpensive, while
Clone
is always explicit and may or may not be expensive. In order to enforce
these characteristics, Rust does not allow you to reimplement Copy
, but you
may reimplement Clone
and run arbitrary code.
Since Clone
is more general than Copy
, you can automatically make anything
Copy
be Clone
as well.
Derivable
This trait can be used with #[derive]
if all fields are Clone
. The derive
d
implementation of clone
calls clone
on each field.
For a generic struct, #[derive]
implements Clone
conditionally by adding bound Clone
on
generic parameters.
// `derive` implements Clone for Reading<T> when T is Clone. #[derive(Clone)] struct Reading<T> { frequency: T, }Run
How can I implement Clone
?
Types that are Copy
should have a trivial implementation of Clone
. More formally:
if T: Copy
, x: T
, and y: &T
, then let x = y.clone();
is equivalent to let x = *y;
.
Manual implementations should be careful to uphold this invariant; however, unsafe code
must not rely on it to ensure memory safety.
An example is a generic struct holding a function pointer. In this case, the
implementation of Clone
cannot be derive
d, but can be implemented as:
struct Generate<T>(fn() -> T); impl<T> Copy for Generate<T> {} impl<T> Clone for Generate<T> { fn clone(&self) -> Self { *self } }Run
Additional implementors
In addition to the implementors listed below,
the following types also implement Clone
:
- Function item types (i.e., the distinct types defined for each function)
- Function pointer types (e.g.,
fn() -> i32
) - Array types, for all sizes, if the item type also implements
Clone
(e.g.,[i32; 123456]
) - Tuple types, if each component also implements
Clone
(e.g.,()
,(i32, bool)
) - Closure types, if they capture no value from the environment
or if all such captured values implement
Clone
themselves. Note that variables captured by shared reference always implementClone
(even if the referent doesn't), while variables captured by mutable reference never implementClone
.
Required methods
#[must_use =
"cloning is often expensive and is not expected to have side effects"]fn clone(&self) -> Self
Provided methods
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
.
a.clone_from(&b)
is equivalent to a = b.clone()
in functionality,
but can be overridden to reuse the resources of a
to avoid unnecessary
allocations.
Implementations on Foreign Types
impl Clone for __m128i
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impl Clone for __m512i
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impl Clone for __m128d
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impl Clone for __m64
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impl Clone for __m256i
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impl Clone for CpuidResult
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fn clone(&self) -> CpuidResult
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impl Clone for __m256d
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impl Clone for __m128
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impl Clone for __m512d
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impl Clone for __m256
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impl<'_, T, P> Clone for SplitInclusive<'_, T, P> where
P: Clone + FnMut(&T) -> bool,
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P: Clone + FnMut(&T) -> bool,
fn clone(&self) -> SplitInclusive<'_, T, P>ⓘNotable traits for SplitInclusive<'a, T, P>
impl<'a, T, P> Iterator for SplitInclusive<'a, T, P> where
P: FnMut(&T) -> bool, type Item = &'a [T];
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Notable traits for SplitInclusive<'a, T, P>
impl<'a, T, P> Iterator for SplitInclusive<'a, T, P> where
P: FnMut(&T) -> bool, type Item = &'a [T];
impl Clone for __m512
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impl<'a, P> Clone for SplitInclusive<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Clone,
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P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Clone,
fn clone(&self) -> SplitInclusive<'a, P>ⓘNotable traits for SplitInclusive<'a, P>
impl<'a, P> Iterator for SplitInclusive<'a, P> where
P: Pattern<'a>, type Item = &'a str;
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Notable traits for SplitInclusive<'a, P>
impl<'a, P> Iterator for SplitInclusive<'a, P> where
P: Pattern<'a>, type Item = &'a str;
Implementors
impl Clone for std::cmp::Ordering
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impl Clone for TryReserveError
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fn clone(&self) -> TryReserveError
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impl Clone for Infallible
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fn clone(&self) -> Infallible
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impl Clone for VarError
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impl Clone for ErrorKind
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impl Clone for SeekFrom
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impl Clone for IpAddr
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impl Clone for Ipv6MulticastScope
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fn clone(&self) -> Ipv6MulticastScope
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impl Clone for Shutdown
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impl Clone for std::net::SocketAddr
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fn clone(&self) -> SocketAddr
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impl Clone for FpCategory
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fn clone(&self) -> FpCategory
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impl Clone for IntErrorKind
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fn clone(&self) -> IntErrorKind
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impl Clone for SearchStep
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fn clone(&self) -> SearchStep
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impl Clone for std::sync::atomic::Ordering
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impl Clone for RecvTimeoutError
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fn clone(&self) -> RecvTimeoutError
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impl Clone for TryRecvError
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fn clone(&self) -> TryRecvError
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impl Clone for bool
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impl Clone for char
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impl Clone for f32
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impl Clone for f64
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impl Clone for i8
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impl Clone for i16
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impl Clone for i32
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impl Clone for i64
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impl Clone for i128
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impl Clone for isize
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impl Clone for !
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impl Clone for u8
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impl Clone for u16
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impl Clone for u32
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impl Clone for u64
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impl Clone for u128
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impl Clone for usize
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impl Clone for AllocErr
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impl Clone for Global
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impl Clone for Layout
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impl Clone for LayoutErr
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impl Clone for System
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impl Clone for TypeId
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impl Clone for TryFromSliceError
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fn clone(&self) -> TryFromSliceError
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impl Clone for std::ascii::EscapeDefault
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fn clone(&self) -> EscapeDefaultⓘNotable traits for EscapeDefault
impl Iterator for EscapeDefault type Item = u8;
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Notable traits for EscapeDefault
impl Iterator for EscapeDefault type Item = u8;
impl Clone for Box<str>
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impl Clone for Box<CStr>
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impl Clone for Box<OsStr>
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impl Clone for Box<Path>
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impl Clone for CharTryFromError
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fn clone(&self) -> CharTryFromError
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impl Clone for DecodeUtf16Error
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fn clone(&self) -> DecodeUtf16Error
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impl Clone for std::char::EscapeDebug
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fn clone(&self) -> EscapeDebugⓘNotable traits for EscapeDebug
impl Iterator for EscapeDebug type Item = char;
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Notable traits for EscapeDebug
impl Iterator for EscapeDebug type Item = char;
impl Clone for std::char::EscapeDefault
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fn clone(&self) -> EscapeDefaultⓘNotable traits for EscapeDefault
impl Iterator for EscapeDefault type Item = char;
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Notable traits for EscapeDefault
impl Iterator for EscapeDefault type Item = char;
impl Clone for std::char::EscapeUnicode
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fn clone(&self) -> EscapeUnicodeⓘNotable traits for EscapeUnicode
impl Iterator for EscapeUnicode type Item = char;
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Notable traits for EscapeUnicode
impl Iterator for EscapeUnicode type Item = char;
impl Clone for ParseCharError
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fn clone(&self) -> ParseCharError
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impl Clone for ToLowercase
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fn clone(&self) -> ToLowercaseⓘNotable traits for ToLowercase
impl Iterator for ToLowercase type Item = char;
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Notable traits for ToLowercase
impl Iterator for ToLowercase type Item = char;
impl Clone for ToUppercase
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fn clone(&self) -> ToUppercaseⓘNotable traits for ToUppercase
impl Iterator for ToUppercase type Item = char;
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Notable traits for ToUppercase
impl Iterator for ToUppercase type Item = char;
impl Clone for DefaultHasher
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fn clone(&self) -> DefaultHasher
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impl Clone for RandomState
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fn clone(&self) -> RandomState
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impl Clone for CString
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impl Clone for FromBytesWithNulError
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fn clone(&self) -> FromBytesWithNulError
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impl Clone for FromVecWithNulError
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fn clone(&self) -> FromVecWithNulError
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impl Clone for IntoStringError
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fn clone(&self) -> IntoStringError
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impl Clone for NulError
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impl Clone for OsString
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impl Clone for Error
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impl Clone for FileType
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impl Clone for Metadata
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impl Clone for OpenOptions
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fn clone(&self) -> OpenOptions
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impl Clone for Permissions
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fn clone(&self) -> Permissions
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impl Clone for SipHasher
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impl Clone for PhantomPinned
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fn clone(&self) -> PhantomPinned
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impl Clone for AddrParseError
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fn clone(&self) -> AddrParseError
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impl Clone for Ipv4Addr
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impl Clone for Ipv6Addr
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impl Clone for SocketAddrV4
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fn clone(&self) -> SocketAddrV4
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impl Clone for SocketAddrV6
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fn clone(&self) -> SocketAddrV6
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impl Clone for NonZeroI8
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impl Clone for NonZeroI16
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fn clone(&self) -> NonZeroI16
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impl Clone for NonZeroI32
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fn clone(&self) -> NonZeroI32
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impl Clone for NonZeroI64
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fn clone(&self) -> NonZeroI64
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impl Clone for NonZeroI128
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fn clone(&self) -> NonZeroI128
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impl Clone for NonZeroIsize
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fn clone(&self) -> NonZeroIsize
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impl Clone for NonZeroU8
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impl Clone for NonZeroU16
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fn clone(&self) -> NonZeroU16
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impl Clone for NonZeroU32
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fn clone(&self) -> NonZeroU32
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impl Clone for NonZeroU64
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fn clone(&self) -> NonZeroU64
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impl Clone for NonZeroU128
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fn clone(&self) -> NonZeroU128
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impl Clone for NonZeroUsize
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fn clone(&self) -> NonZeroUsize
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impl Clone for ParseFloatError
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fn clone(&self) -> ParseFloatError
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impl Clone for ParseIntError
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fn clone(&self) -> ParseIntError
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impl Clone for TryFromIntError
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fn clone(&self) -> TryFromIntError
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impl Clone for RangeFull
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impl Clone for NoneError
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impl Clone for stat
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impl Clone for std::os::unix::net::SocketAddr
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fn clone(&self) -> SocketAddr
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impl Clone for PathBuf
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impl Clone for StripPrefixError
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fn clone(&self) -> StripPrefixError
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impl Clone for ExitCode
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impl Clone for ExitStatus
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fn clone(&self) -> ExitStatus
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impl Clone for Output
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impl Clone for TraitObject
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fn clone(&self) -> TraitObject
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impl Clone for ParseBoolError
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fn clone(&self) -> ParseBoolError
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impl Clone for Utf8Error
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impl Clone for FromUtf8Error
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fn clone(&self) -> FromUtf8Error
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impl Clone for String
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impl Clone for RecvError
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impl Clone for WaitTimeoutResult
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fn clone(&self) -> WaitTimeoutResult
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impl Clone for RawWakerVTable
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fn clone(&self) -> RawWakerVTable
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impl Clone for Waker
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impl Clone for AccessError
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fn clone(&self) -> AccessError
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impl Clone for Thread
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impl Clone for ThreadId
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impl Clone for Duration
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impl Clone for Instant
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impl Clone for SystemTime
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fn clone(&self) -> SystemTime
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impl Clone for SystemTimeError
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fn clone(&self) -> SystemTimeError
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impl<'_, A> Clone for std::option::Iter<'_, A>
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impl<'_, B> Clone for Cow<'_, B> where
B: ToOwned + ?Sized,
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B: ToOwned + ?Sized,
impl<'_, K, V> Clone for std::collections::btree_map::Iter<'_, K, V>
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impl<'_, K, V> Clone for std::collections::btree_map::Keys<'_, K, V>
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impl<'_, K, V> Clone for std::collections::btree_map::Range<'_, K, V>
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impl<'_, K, V> Clone for std::collections::btree_map::Values<'_, K, V>
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impl<'_, T> !Clone for &'_ mut T where
T: ?Sized,
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T: ?Sized,
Shared references can be cloned, but mutable references cannot!
impl<'_, T> Clone for &'_ T where
T: ?Sized,
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T: ?Sized,
Shared references can be cloned, but mutable references cannot!
fn clone(&self) -> &'_ TⓘNotable traits for &'_ mut F
impl<'_, F> Future for &'_ mut F where
F: Unpin + Future + ?Sized, type Output = <F as Future>::Output;impl<'_, I> Iterator for &'_ mut I where
I: Iterator + ?Sized, type Item = <I as Iterator>::Item;impl<R: Read + ?Sized, '_> Read for &'_ mut Rimpl<W: Write + ?Sized, '_> Write for &'_ mut W
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Notable traits for &'_ mut F
impl<'_, F> Future for &'_ mut F where
F: Unpin + Future + ?Sized, type Output = <F as Future>::Output;impl<'_, I> Iterator for &'_ mut I where
I: Iterator + ?Sized, type Item = <I as Iterator>::Item;impl<R: Read + ?Sized, '_> Read for &'_ mut Rimpl<W: Write + ?Sized, '_> Write for &'_ mut W
impl<'_, T> Clone for std::collections::binary_heap::Iter<'_, T>
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impl<'_, T> Clone for std::collections::btree_set::Difference<'_, T>
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fn clone(&self) -> Difference<'_, T>ⓘNotable traits for Difference<'a, T>
impl<'a, T> Iterator for Difference<'a, T> where
T: Ord, type Item = &'a T;
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Notable traits for Difference<'a, T>
impl<'a, T> Iterator for Difference<'a, T> where
T: Ord, type Item = &'a T;
impl<'_, T> Clone for std::collections::btree_set::Intersection<'_, T>
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fn clone(&self) -> Intersection<'_, T>ⓘNotable traits for Intersection<'a, T>
impl<'a, T> Iterator for Intersection<'a, T> where
T: Ord, type Item = &'a T;
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Notable traits for Intersection<'a, T>
impl<'a, T> Iterator for Intersection<'a, T> where
T: Ord, type Item = &'a T;
impl<'_, T> Clone for std::collections::btree_set::Iter<'_, T>
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impl<'_, T> Clone for std::collections::btree_set::Range<'_, T>
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impl<'_, T> Clone for std::collections::btree_set::SymmetricDifference<'_, T>
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fn clone(&self) -> SymmetricDifference<'_, T>ⓘNotable traits for SymmetricDifference<'a, T>
impl<'a, T> Iterator for SymmetricDifference<'a, T> where
T: Ord, type Item = &'a T;
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Notable traits for SymmetricDifference<'a, T>
impl<'a, T> Iterator for SymmetricDifference<'a, T> where
T: Ord, type Item = &'a T;
impl<'_, T> Clone for std::collections::btree_set::Union<'_, T>
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impl<'_, T> Clone for std::collections::linked_list::Cursor<'_, T>
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impl<'_, T> Clone for std::collections::linked_list::Iter<'_, T>
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impl<'_, T> Clone for std::collections::vec_deque::Iter<'_, T>
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impl<'_, T> Clone for std::result::Iter<'_, T>
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impl<'_, T> Clone for Chunks<'_, T>
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impl<'_, T> Clone for ChunksExact<'_, T>
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fn clone(&self) -> ChunksExact<'_, T>ⓘNotable traits for ChunksExact<'a, T>
impl<'a, T> Iterator for ChunksExact<'a, T> type Item = &'a [T];
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Notable traits for ChunksExact<'a, T>
impl<'a, T> Iterator for ChunksExact<'a, T> type Item = &'a [T];
impl<'_, T> Clone for std::slice::Iter<'_, T>
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impl<'_, T> Clone for RChunks<'_, T>
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impl<'_, T> Clone for Windows<'_, T>
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impl<'_, T, P> Clone for std::slice::Split<'_, T, P> where
P: Clone + FnMut(&T) -> bool,
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P: Clone + FnMut(&T) -> bool,
impl<'_, T, const N: usize> Clone for ArrayChunks<'_, T, N>
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fn clone(&self) -> ArrayChunks<'_, T, N>ⓘNotable traits for ArrayChunks<'a, T, N>
impl<'a, T, const N: usize> Iterator for ArrayChunks<'a, T, N> type Item = &'a [T; N];
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Notable traits for ArrayChunks<'a, T, N>
impl<'a, T, const N: usize> Iterator for ArrayChunks<'a, T, N> type Item = &'a [T; N];
impl<'a> Clone for Component<'a>
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impl<'a> Clone for Prefix<'a>
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impl<'a> Clone for std::error::Chain<'a>
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impl<'a> Clone for Arguments<'a>
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impl<'a> Clone for IoSlice<'a>
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impl<'a> Clone for EncodeWide<'a>
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fn clone(&self) -> EncodeWide<'a>ⓘNotable traits for EncodeWide<'a>
impl<'a> Iterator for EncodeWide<'a> type Item = u16;
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Notable traits for EncodeWide<'a>
impl<'a> Iterator for EncodeWide<'a> type Item = u16;
impl<'a> Clone for Location<'a>
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impl<'a> Clone for Ancestors<'a>
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impl<'a> Clone for Components<'a>
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fn clone(&self) -> Components<'a>ⓘNotable traits for Components<'a>
impl<'a> Iterator for Components<'a> type Item = Component<'a>;
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Notable traits for Components<'a>
impl<'a> Iterator for Components<'a> type Item = Component<'a>;
impl<'a> Clone for std::path::Iter<'a>
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impl<'a> Clone for PrefixComponent<'a>
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fn clone(&self) -> PrefixComponent<'a>
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impl<'a> Clone for CharSearcher<'a>
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fn clone(&self) -> CharSearcher<'a>
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impl<'a> Clone for Bytes<'a>
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impl<'a> Clone for CharIndices<'a>
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fn clone(&self) -> CharIndices<'a>ⓘNotable traits for CharIndices<'a>
impl<'a> Iterator for CharIndices<'a> type Item = (usize, char);
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Notable traits for CharIndices<'a>
impl<'a> Iterator for CharIndices<'a> type Item = (usize, char);
impl<'a> Clone for Chars<'a>
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impl<'a> Clone for EncodeUtf16<'a>
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fn clone(&self) -> EncodeUtf16<'a>ⓘNotable traits for EncodeUtf16<'a>
impl<'a> Iterator for EncodeUtf16<'a> type Item = u16;
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Notable traits for EncodeUtf16<'a>
impl<'a> Iterator for EncodeUtf16<'a> type Item = u16;
impl<'a> Clone for std::str::EscapeDebug<'a>
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fn clone(&self) -> EscapeDebug<'a>ⓘNotable traits for EscapeDebug<'a>
impl<'a> Iterator for EscapeDebug<'a> type Item = char;
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Notable traits for EscapeDebug<'a>
impl<'a> Iterator for EscapeDebug<'a> type Item = char;
impl<'a> Clone for std::str::EscapeDefault<'a>
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fn clone(&self) -> EscapeDefault<'a>ⓘNotable traits for EscapeDefault<'a>
impl<'a> Iterator for EscapeDefault<'a> type Item = char;
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Notable traits for EscapeDefault<'a>
impl<'a> Iterator for EscapeDefault<'a> type Item = char;
impl<'a> Clone for std::str::EscapeUnicode<'a>
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fn clone(&self) -> EscapeUnicode<'a>ⓘNotable traits for EscapeUnicode<'a>
impl<'a> Iterator for EscapeUnicode<'a> type Item = char;
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Notable traits for EscapeUnicode<'a>
impl<'a> Iterator for EscapeUnicode<'a> type Item = char;
impl<'a> Clone for Lines<'a>
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impl<'a> Clone for LinesAny<'a>
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impl<'a> Clone for SplitAsciiWhitespace<'a>
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fn clone(&self) -> SplitAsciiWhitespace<'a>ⓘNotable traits for SplitAsciiWhitespace<'a>
impl<'a> Iterator for SplitAsciiWhitespace<'a> type Item = &'a str;
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Notable traits for SplitAsciiWhitespace<'a>
impl<'a> Iterator for SplitAsciiWhitespace<'a> type Item = &'a str;
impl<'a> Clone for SplitWhitespace<'a>
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fn clone(&self) -> SplitWhitespace<'a>ⓘNotable traits for SplitWhitespace<'a>
impl<'a> Iterator for SplitWhitespace<'a> type Item = &'a str;
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Notable traits for SplitWhitespace<'a>
impl<'a> Iterator for SplitWhitespace<'a> type Item = &'a str;
impl<'a, 'b> Clone for CharSliceSearcher<'a, 'b>
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fn clone(&self) -> CharSliceSearcher<'a, 'b>
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impl<'a, 'b> Clone for StrSearcher<'a, 'b>
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fn clone(&self) -> StrSearcher<'a, 'b>
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impl<'a, F> Clone for CharPredicateSearcher<'a, F> where
F: Clone + FnMut(char) -> bool,
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F: Clone + FnMut(char) -> bool,
fn clone(&self) -> CharPredicateSearcher<'a, F>
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impl<'a, P> Clone for MatchIndices<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Clone,
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P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Clone,
fn clone(&self) -> MatchIndices<'a, P>ⓘNotable traits for MatchIndices<'a, P>
impl<'a, P> Iterator for MatchIndices<'a, P> where
P: Pattern<'a>, type Item = (usize, &'a str);
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Notable traits for MatchIndices<'a, P>
impl<'a, P> Iterator for MatchIndices<'a, P> where
P: Pattern<'a>, type Item = (usize, &'a str);
impl<'a, P> Clone for Matches<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Clone,
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P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Clone,
impl<'a, P> Clone for RMatchIndices<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Clone,
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P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Clone,
fn clone(&self) -> RMatchIndices<'a, P>ⓘNotable traits for RMatchIndices<'a, P>
impl<'a, P> Iterator for RMatchIndices<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: ReverseSearcher<'a>, type Item = (usize, &'a str);
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Notable traits for RMatchIndices<'a, P>
impl<'a, P> Iterator for RMatchIndices<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: ReverseSearcher<'a>, type Item = (usize, &'a str);
impl<'a, P> Clone for RMatches<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Clone,
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P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Clone,
impl<'a, P> Clone for std::str::RSplit<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Clone,
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P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Clone,
impl<'a, P> Clone for RSplitN<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Clone,
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P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Clone,
impl<'a, P> Clone for RSplitTerminator<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Clone,
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P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Clone,
fn clone(&self) -> RSplitTerminator<'a, P>ⓘNotable traits for RSplitTerminator<'a, P>
impl<'a, P> Iterator for RSplitTerminator<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: ReverseSearcher<'a>, type Item = &'a str;
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Notable traits for RSplitTerminator<'a, P>
impl<'a, P> Iterator for RSplitTerminator<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: ReverseSearcher<'a>, type Item = &'a str;
impl<'a, P> Clone for std::str::Split<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Clone,
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P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Clone,
impl<'a, P> Clone for SplitN<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Clone,
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P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Clone,
impl<'a, P> Clone for SplitTerminator<'a, P> where
P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Clone,
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P: Pattern<'a>,
<P as Pattern<'a>>::Searcher: Clone,
fn clone(&self) -> SplitTerminator<'a, P>ⓘNotable traits for SplitTerminator<'a, P>
impl<'a, P> Iterator for SplitTerminator<'a, P> where
P: Pattern<'a>, type Item = &'a str;
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Notable traits for SplitTerminator<'a, P>
impl<'a, P> Iterator for SplitTerminator<'a, P> where
P: Pattern<'a>, type Item = &'a str;
impl<'a, T> Clone for RChunksExact<'a, T>
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fn clone(&self) -> RChunksExact<'a, T>ⓘNotable traits for RChunksExact<'a, T>
impl<'a, T> Iterator for RChunksExact<'a, T> type Item = &'a [T];
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Notable traits for RChunksExact<'a, T>
impl<'a, T> Iterator for RChunksExact<'a, T> type Item = &'a [T];
impl<'a, T, P> Clone for std::slice::RSplit<'a, T, P> where
P: Clone + FnMut(&T) -> bool,
T: 'a + Clone,
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P: Clone + FnMut(&T) -> bool,
T: 'a + Clone,
impl<'f> Clone for VaListImpl<'f>
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fn clone(&self) -> VaListImpl<'f>
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impl<A> Clone for Repeat<A> where
A: Clone,
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A: Clone,
impl<A> Clone for std::option::IntoIter<A> where
A: Clone,
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A: Clone,
impl<A, B> Clone for std::iter::Chain<A, B> where
A: Clone,
B: Clone,
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A: Clone,
B: Clone,
impl<A, B> Clone for Zip<A, B> where
A: Clone,
B: Clone,
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A: Clone,
B: Clone,
impl<F> Clone for FromFn<F> where
F: Clone,
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F: Clone,
impl<F> Clone for OnceWith<F> where
F: Clone,
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F: Clone,
impl<F> Clone for RepeatWith<F> where
F: Clone,
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F: Clone,
fn clone(&self) -> RepeatWith<F>ⓘNotable traits for RepeatWith<F>
impl<A, F> Iterator for RepeatWith<F> where
F: FnMut() -> A, type Item = A;
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Notable traits for RepeatWith<F>
impl<A, F> Iterator for RepeatWith<F> where
F: FnMut() -> A, type Item = A;
impl<H> Clone for BuildHasherDefault<H>
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fn clone(&self) -> BuildHasherDefault<H>
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impl<I> Clone for DecodeUtf16<I> where
I: Clone + Iterator<Item = u16>,
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I: Clone + Iterator<Item = u16>,
fn clone(&self) -> DecodeUtf16<I>ⓘNotable traits for DecodeUtf16<I>
impl<I> Iterator for DecodeUtf16<I> where
I: Iterator<Item = u16>, type Item = Result<char, DecodeUtf16Error>;
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Notable traits for DecodeUtf16<I>
impl<I> Iterator for DecodeUtf16<I> where
I: Iterator<Item = u16>, type Item = Result<char, DecodeUtf16Error>;
impl<I> Clone for Cloned<I> where
I: Clone,
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I: Clone,
impl<I> Clone for Copied<I> where
I: Clone,
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I: Clone,
impl<I> Clone for Cycle<I> where
I: Clone,
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I: Clone,
impl<I> Clone for Enumerate<I> where
I: Clone,
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I: Clone,
impl<I> Clone for Fuse<I> where
I: Clone,
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I: Clone,
impl<I> Clone for Peekable<I> where
I: Clone + Iterator,
<I as Iterator>::Item: Clone,
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I: Clone + Iterator,
<I as Iterator>::Item: Clone,
impl<I> Clone for Skip<I> where
I: Clone,
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I: Clone,
impl<I> Clone for StepBy<I> where
I: Clone,
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I: Clone,
impl<I> Clone for Take<I> where
I: Clone,
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I: Clone,
impl<I, F> Clone for FilterMap<I, F> where
F: Clone,
I: Clone,
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F: Clone,
I: Clone,
impl<I, F> Clone for Inspect<I, F> where
F: Clone,
I: Clone,
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F: Clone,
I: Clone,
impl<I, F> Clone for Map<I, F> where
F: Clone,
I: Clone,
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F: Clone,
I: Clone,
impl<I, P> Clone for Filter<I, P> where
I: Clone,
P: Clone,
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I: Clone,
P: Clone,
impl<I, P> Clone for MapWhile<I, P> where
I: Clone,
P: Clone,
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I: Clone,
P: Clone,
impl<I, P> Clone for SkipWhile<I, P> where
I: Clone,
P: Clone,
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I: Clone,
P: Clone,
impl<I, P> Clone for TakeWhile<I, P> where
I: Clone,
P: Clone,
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I: Clone,
P: Clone,
impl<I, St, F> Clone for Scan<I, St, F> where
F: Clone,
I: Clone,
St: Clone,
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F: Clone,
I: Clone,
St: Clone,
impl<I, U> Clone for Flatten<I> where
I: Clone + Iterator,
U: Clone + Iterator,
<I as Iterator>::Item: IntoIterator,
<<I as Iterator>::Item as IntoIterator>::IntoIter == U,
<<I as Iterator>::Item as IntoIterator>::Item == <U as Iterator>::Item,
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I: Clone + Iterator,
U: Clone + Iterator,
<I as Iterator>::Item: IntoIterator,
<<I as Iterator>::Item as IntoIterator>::IntoIter == U,
<<I as Iterator>::Item as IntoIterator>::Item == <U as Iterator>::Item,
impl<I, U, F> Clone for FlatMap<I, U, F> where
F: Clone,
I: Clone,
U: Clone + IntoIterator,
<U as IntoIterator>::IntoIter: Clone,
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F: Clone,
I: Clone,
U: Clone + IntoIterator,
<U as IntoIterator>::IntoIter: Clone,
impl<Idx> Clone for std::ops::Range<Idx> where
Idx: Clone,
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Idx: Clone,
impl<Idx> Clone for RangeFrom<Idx> where
Idx: Clone,
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Idx: Clone,
impl<Idx> Clone for RangeInclusive<Idx> where
Idx: Clone,
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Idx: Clone,
fn clone(&self) -> RangeInclusive<Idx>ⓘNotable traits for RangeInclusive<A>
impl<A> Iterator for RangeInclusive<A> where
A: Step, type Item = A;
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Notable traits for RangeInclusive<A>
impl<A> Iterator for RangeInclusive<A> where
A: Step, type Item = A;
impl<Idx> Clone for RangeTo<Idx> where
Idx: Clone,
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Idx: Clone,
impl<Idx> Clone for RangeToInclusive<Idx> where
Idx: Clone,
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Idx: Clone,
fn clone(&self) -> RangeToInclusive<Idx>
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impl<K, '_> Clone for std::collections::hash_set::Iter<'_, K>
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impl<K, V> Clone for BTreeMap<K, V> where
K: Clone,
V: Clone,
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K: Clone,
V: Clone,
impl<K, V, '_> Clone for std::collections::hash_map::Iter<'_, K, V>
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impl<K, V, '_> Clone for std::collections::hash_map::Keys<'_, K, V>
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impl<K, V, '_> Clone for std::collections::hash_map::Values<'_, K, V>
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impl<K: Clone, V: Clone, S: Clone> Clone for HashMap<K, V, S>
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impl<P> Clone for Pin<P> where
P: Clone,
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P: Clone,
impl<T> Clone for Bound<T> where
T: Clone,
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T: Clone,
impl<T> Clone for Option<T> where
T: Clone,
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T: Clone,
impl<T> Clone for Poll<T> where
T: Clone,
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T: Clone,
impl<T> Clone for *const T where
T: ?Sized,
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T: ?Sized,
impl<T> Clone for *mut T where
T: ?Sized,
[src]
T: ?Sized,
impl<T> Clone for Box<[T]> where
T: Clone,
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T: Clone,
impl<T> Clone for Box<T> where
T: Clone,
[src]
T: Clone,
fn clone(&self) -> Box<T>ⓘ
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Returns a new box with a clone()
of this box's contents.
Examples
let x = Box::new(5); let y = x.clone(); // The value is the same assert_eq!(x, y); // But they are unique objects assert_ne!(&*x as *const i32, &*y as *const i32);Run
fn clone_from(&mut self, source: &Box<T>)
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impl<T> Clone for Cell<T> where
T: Copy,
[src]
T: Copy,
impl<T> Clone for RefCell<T> where
T: Clone,
[src]
T: Clone,
impl<T> Clone for Reverse<T> where
T: Clone,
[src]
T: Clone,
impl<T> Clone for std::collections::binary_heap::IntoIter<T> where
T: Clone,
[src]
T: Clone,
impl<T> Clone for IntoIterSorted<T> where
T: Clone,
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T: Clone,
fn clone(&self) -> IntoIterSorted<T>ⓘNotable traits for IntoIterSorted<T>
impl<T> Iterator for IntoIterSorted<T> where
T: Ord, type Item = T;
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Notable traits for IntoIterSorted<T>
impl<T> Iterator for IntoIterSorted<T> where
T: Ord, type Item = T;
impl<T> Clone for std::collections::linked_list::IntoIter<T> where
T: Clone,
[src]
T: Clone,
impl<T> Clone for BTreeSet<T> where
T: Clone,
[src]
T: Clone,
impl<T> Clone for BinaryHeap<T> where
T: Clone,
[src]
T: Clone,
fn clone(&self) -> BinaryHeap<T>
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fn clone_from(&mut self, source: &BinaryHeap<T>)
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impl<T> Clone for LinkedList<T> where
T: Clone,
[src]
T: Clone,
fn clone(&self) -> LinkedList<T>
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fn clone_from(&mut self, other: &LinkedList<T>)
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impl<T> Clone for VecDeque<T> where
T: Clone,
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T: Clone,
impl<T> Clone for std::collections::vec_deque::IntoIter<T> where
T: Clone,
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T: Clone,
impl<T> Clone for Pending<T>
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impl<T> Clone for Ready<T> where
T: Clone,
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T: Clone,
impl<T> Clone for Empty<T>
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impl<T> Clone for Once<T> where
T: Clone,
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T: Clone,
impl<T> Clone for Rev<T> where
T: Clone,
[src]
T: Clone,
impl<T> Clone for OnceCell<T> where
T: Clone,
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T: Clone,
impl<T> Clone for PhantomData<T> where
T: ?Sized,
[src]
T: ?Sized,
fn clone(&self) -> PhantomData<T>
[src]
impl<T> Clone for Discriminant<T>
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fn clone(&self) -> Discriminant<T>
[src]
impl<T> Clone for ManuallyDrop<T> where
T: Clone + ?Sized,
[src]
T: Clone + ?Sized,
fn clone(&self) -> ManuallyDrop<T>
[src]
impl<T> Clone for Wrapping<T> where
T: Clone,
[src]
T: Clone,
impl<T> Clone for NonNull<T> where
T: ?Sized,
[src]
T: ?Sized,
impl<T> Clone for Rc<T> where
T: ?Sized,
[src]
T: ?Sized,
impl<T> Clone for std::rc::Weak<T> where
T: ?Sized,
[src]
T: ?Sized,
impl<T> Clone for std::result::IntoIter<T> where
T: Clone,
[src]
T: Clone,
impl<T> Clone for Sender<T>
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impl<T> Clone for SyncSender<T>
[src]
fn clone(&self) -> SyncSender<T>
[src]
impl<T> Clone for Arc<T> where
T: ?Sized,
[src]
T: ?Sized,
impl<T> Clone for std::sync::Weak<T> where
T: ?Sized,
[src]
T: ?Sized,
impl<T> Clone for std::vec::IntoIter<T> where
T: Clone,
[src]
T: Clone,
impl<T> Clone for Vec<T> where
T: Clone,
[src]
T: Clone,
impl<T> Clone for MaybeUninit<T> where
T: Copy,
[src]
T: Copy,
fn clone(&self) -> MaybeUninit<T>
[src]
impl<T, E> Clone for Result<T, E> where
E: Clone,
T: Clone,
[src]
E: Clone,
T: Clone,
impl<T, F> Clone for Successors<T, F> where
F: Clone,
T: Clone,
[src]
F: Clone,
T: Clone,
fn clone(&self) -> Successors<T, F>ⓘNotable traits for Successors<T, F>
impl<T, F> Iterator for Successors<T, F> where
F: FnMut(&T) -> Option<T>, type Item = T;
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Notable traits for Successors<T, F>
impl<T, F> Iterator for Successors<T, F> where
F: FnMut(&T) -> Option<T>, type Item = T;
impl<T, S, '_> Clone for std::collections::hash_set::Difference<'_, T, S>
[src]
impl<T, S, '_> Clone for std::collections::hash_set::Intersection<'_, T, S>
[src]
impl<T, S, '_> Clone for std::collections::hash_set::SymmetricDifference<'_, T, S>
[src]
impl<T, S, '_> Clone for std::collections::hash_set::Union<'_, T, S>
[src]
impl<T, const N: usize> Clone for std::array::IntoIter<T, N> where
T: Clone,
[src]
T: Clone,
impl<T: Clone> Clone for TrySendError<T>
[src]
fn clone(&self) -> TrySendError<T>
[src]
impl<T: Clone> Clone for std::io::Cursor<T>
[src]
impl<T: Clone> Clone for SyncOnceCell<T>
[src]
fn clone(&self) -> SyncOnceCell<T>
[src]
impl<T: Clone> Clone for SendError<T>
[src]
impl<T: Clone, S: Clone> Clone for HashSet<T, S>
[src]
impl<Y, R> Clone for GeneratorState<Y, R> where
R: Clone,
Y: Clone,
[src]
R: Clone,
Y: Clone,