pub trait Copy: Clone { }
Expand description
Types whose values can be duplicated simply by copying bits.
By default, variable bindings have ‘move semantics.’ In other words:
#[derive(Debug)]
struct Foo;
let x = Foo;
let y = x;
// `x` has moved into `y`, and so cannot be used
// println!("{x:?}"); // error: use of moved value
However, if a type implements Copy
, it instead has ‘copy semantics’:
// We can derive a `Copy` implementation. `Clone` is also required, as it's
// a supertrait of `Copy`.
#[derive(Debug, Copy, Clone)]
struct Foo;
let x = Foo;
let y = x;
// `y` is a copy of `x`
println!("{x:?}"); // A-OK!
It’s important to note that in these two examples, the only difference is whether you
are allowed to access x
after the assignment. Under the hood, both a copy and a move
can result in bits being copied in memory, although this is sometimes optimized away.
How can I implement Copy
?
There are two ways to implement Copy
on your type. The simplest is to use derive
:
#[derive(Copy, Clone)]
struct MyStruct;
You can also implement Copy
and Clone
manually:
struct MyStruct;
impl Copy for MyStruct { }
impl Clone for MyStruct {
fn clone(&self) -> MyStruct {
*self
}
}
There is a small difference between the two: the derive
strategy will also place a Copy
bound on type parameters, which isn’t always desired.
What’s the difference between Copy
and Clone
?
Copies happen implicitly, for example as part of an assignment y = x
. The behavior of
Copy
is not overloadable; it is always a simple bit-wise copy.
Cloning is an explicit action, x.clone()
. The implementation of Clone
can
provide any type-specific behavior necessary to duplicate values safely. For example,
the implementation of Clone
for String
needs to copy the pointed-to string
buffer in the heap. A simple bitwise copy of String
values would merely copy the
pointer, leading to a double free down the line. For this reason, String
is Clone
but not Copy
.
Clone
is a supertrait of Copy
, so everything which is Copy
must also implement
Clone
. If a type is Copy
then its Clone
implementation only needs to return *self
(see the example above).
When can my type be Copy
?
A type can implement Copy
if all of its components implement Copy
. For example, this
struct can be Copy
:
#[derive(Copy, Clone)]
struct Point {
x: i32,
y: i32,
}
A struct can be Copy
, and i32
is Copy
, therefore Point
is eligible to be Copy
.
By contrast, consider
struct PointList {
points: Vec<Point>,
}
The struct PointList
cannot implement Copy
, because Vec<T>
is not Copy
. If we
attempt to derive a Copy
implementation, we’ll get an error:
the trait `Copy` may not be implemented for this type; field `points` does not implement `Copy`
Shared references (&T
) are also Copy
, so a type can be Copy
, even when it holds
shared references of types T
that are not Copy
. Consider the following struct,
which can implement Copy
, because it only holds a shared reference to our non-Copy
type PointList
from above:
#[derive(Copy, Clone)]
struct PointListWrapper<'a> {
point_list_ref: &'a PointList,
}
When can’t my type be Copy
?
Some types can’t be copied safely. For example, copying &mut T
would create an aliased
mutable reference. Copying String
would duplicate responsibility for managing the
String
’s buffer, leading to a double free.
Generalizing the latter case, any type implementing Drop
can’t be Copy
, because it’s
managing some resource besides its own size_of::<T>
bytes.
If you try to implement Copy
on a struct or enum containing non-Copy
data, you will get
the error E0204.
When should my type be Copy
?
Generally speaking, if your type can implement Copy
, it should. Keep in mind, though,
that implementing Copy
is part of the public API of your type. If the type might become
non-Copy
in the future, it could be prudent to omit the Copy
implementation now, to
avoid a breaking API change.
Additional implementors
In addition to the implementors listed below,
the following types also implement Copy
:
- Function item types (i.e., the distinct types defined for each function)
- Function pointer types (e.g.,
fn() -> i32
) - Closure types, if they capture no value from the environment
or if all such captured values implement
Copy
themselves. Note that variables captured by shared reference always implementCopy
(even if the referent doesn’t), while variables captured by mutable reference never implementCopy
.
Implementors
impl Copy for CharacterSet
impl Copy for Kind
impl Copy for otter_api_tests::BigEndian
impl Copy for otter_api_tests::ErrorKind
impl Copy for Inapplicable
impl Copy for Infallible
impl Copy for otter_api_tests::IpAddr
impl Copy for LibraryLoadMFIncompat
impl Copy for LinkKind
impl Copy for otter_api_tests::LittleEndian
impl Copy for VersionError
impl Copy for MgmtGameUpdateMode
impl Copy for OldNewIndex
impl Copy for otter_api_tests::Ordering
impl Copy for PathResolveMethod
impl Copy for PieceAngle
impl Copy for PieceMoveable
impl Copy for PieceOpErrorPartiallyProcessed
impl Copy for PresentationLayout
impl Copy for ProgressUpdateMode
impl Copy for SVGProcessingError
impl Copy for SVGWidthOrHeight
impl Copy for Shape
impl Copy for SocketAddr
impl Copy for StaticUser
impl Copy for TablePermission
impl Copy for UoKind
impl Copy for Void
impl Copy for WhatResponseToClientOp
impl Copy for TimestampPrecision
impl Copy for WriteStyle
impl Copy for otter_api_tests::humantime_serde::re::humantime::TimestampError
impl Copy for DiffToShow
impl Copy for RecvTimeoutError
impl Copy for otter_api_tests::mpsc::TryRecvError
impl Copy for otter_api_tests::otter_support::crates::chrono::Month
impl Copy for RoundingError
impl Copy for SecondsFormat
impl Copy for otter_api_tests::otter_support::crates::chrono::Weekday
impl Copy for Pad
impl Copy for Tz
impl Copy for TruncSide
impl Copy for AdaptiveFormat
impl Copy for Age
impl Copy for Cleanup
impl Copy for Criterion
impl Copy for Duplicate
impl Copy for Naming
impl Copy for WriteMode
impl Copy for otter_api_tests::otter_support::crates::log::Level
impl Copy for otter_api_tests::otter_support::crates::log::LevelFilter
impl Copy for otter_api_tests::otter_support::crates::nix::dir::Type
impl Copy for Errno
impl Copy for FlockArg
impl Copy for PosixFadviseAdvice
impl Copy for DIR
impl Copy for FILE
impl Copy for fpos64_t
impl Copy for fpos_t
impl Copy for timezone
impl Copy for AioCancelStat
impl Copy for AioFsyncMode
impl Copy for LioMode
impl Copy for LioOpcode
impl Copy for EpollOp
impl Copy for MmapAdvise
impl Copy for otter_api_tests::otter_support::crates::nix::sys::ptrace::Event
impl Copy for Request
impl Copy for QuotaFmt
impl Copy for QuotaType
impl Copy for RebootMode
impl Copy for Resource
impl Copy for SigHandler
impl Copy for SigevNotify
impl Copy for SigmaskHow
impl Copy for Signal
impl Copy for AddressFamily
impl Copy for InetAddr
impl Copy for otter_api_tests::otter_support::crates::nix::sys::socket::IpAddr
impl Copy for otter_api_tests::otter_support::crates::nix::sys::socket::Shutdown
impl Copy for SockAddr
impl Copy for SockProtocol
impl Copy for otter_api_tests::otter_support::crates::nix::sys::socket::SockType
impl Copy for FchmodatFlags
impl Copy for UtimensatFlags
impl Copy for BaudRate
impl Copy for FlowArg
impl Copy for FlushArg
impl Copy for SetArg
impl Copy for SpecialCharacterIndices
impl Copy for Expiration
impl Copy for otter_api_tests::otter_support::crates::nix::sys::timerfd::ClockId
impl Copy for otter_api_tests::otter_support::crates::nix::sys::wait::Id
impl Copy for WaitStatus
impl Copy for FchownatFlags
impl Copy for ForkResult
impl Copy for LinkatFlags
impl Copy for PathconfVar
impl Copy for SysconfVar
impl Copy for UnlinkatFlags
impl Copy for Whence
impl Copy for Category
impl Copy for SearchStep
impl Copy for LogicError
impl Copy for RangeImpossible
impl Copy for OnceState
impl Copy for BernoulliError
impl Copy for WeightedError
impl Copy for SeekFrom
impl Copy for PieceLabelPlace
impl Copy for Dollars
impl Copy for ScaleDetails
impl Copy for ScaleFitDetails
impl Copy for LogicOperator
impl Copy for MathOperator
impl Copy for ConnCredentials
impl Copy for CompressionMethod
impl Copy for otter_api_tests::inventory::core::fmt::Alignment
impl Copy for FpCategory
impl Copy for Which
impl Copy for otter_api_tests::inventory::core::sync::atomic::Ordering
impl Copy for std::net::Shutdown
impl Copy for Ipv6MulticastScope
impl Copy for BacktraceStyle
impl Copy for _Unwind_Action
impl Copy for _Unwind_Reason_Code
impl Copy for time::ParseError
impl Copy for PrintFmt
impl Copy for base64ct::errors::Error
impl Copy for Action
impl Copy for bzip2::mem::Error
impl Copy for bzip2::mem::Status
impl Copy for AppSettings
impl Copy for ArgSettings
impl Copy for Shell
impl Copy for clap::errors::ErrorKind
impl Copy for FlushCompress
impl Copy for FlushDecompress
impl Copy for flate2::mem::Status
impl Copy for IpAddrRange
impl Copy for IpNet
impl Copy for IpSubnets
impl Copy for native_tls::Protocol
impl Copy for Sign
impl Copy for point_conversion_form_t
impl Copy for ShutdownResult
impl Copy for openssl::symm::Mode
impl Copy for password_hash::encoding::Encoding
impl Copy for password_hash::errors::Error
impl Copy for InvalidValue
impl Copy for Algorithm
impl Copy for Atomicity
impl Copy for Lookahead
impl Copy for MatchDir
impl Copy for Assoc
impl Copy for strum::ParseError
impl Copy for url::parser::ParseError
impl Copy for SyntaxViolation
impl Copy for url::slicing::Position
impl Copy for xmlparser::error::Error
impl Copy for StreamError
impl Copy for bool
impl Copy for char
impl Copy for f32
impl Copy for f64
impl Copy for i8
impl Copy for i16
impl Copy for i32
impl Copy for i64
impl Copy for i128
impl Copy for isize
impl Copy for !
impl Copy for u8
impl Copy for u16
impl Copy for u32
impl Copy for u64
impl Copy for u128
impl Copy for usize
impl Copy for otter_api_tests::base64::Config
impl Copy for Hash
impl Copy for otter_api_tests::bundles::Id
impl Copy for otter_api_tests::bundles::Index
impl Copy for LibInBundleI
impl Copy for NotBundle
impl Copy for ZipIndex
impl Copy for MatchOptions
impl Copy for otter_api_tests::humantime_serde::re::humantime::Duration
impl Copy for Unsupported
impl Copy for otter_api_tests::materials_format::Version
impl Copy for Posx
impl Copy for RecvError
impl Copy for FloatIsNan
impl Copy for otter_api_tests::otter_support::crates::chrono::Duration
impl Copy for FixedOffset
impl Copy for IsoWeek
impl Copy for Local
impl Copy for NaiveDate
impl Copy for NaiveDateTime
impl Copy for NaiveTime
impl Copy for otter_api_tests::otter_support::crates::chrono::ParseError
impl Copy for Utc
impl Copy for ATerm
impl Copy for B0
impl Copy for B1
impl Copy for Equal
impl Copy for Greater
impl Copy for Less
impl Copy for UTerm
impl Copy for Z0
impl Copy for Eager
impl Copy for Lazy
impl Copy for InvalidBufferSize
impl Copy for otter_api_tests::otter_support::crates::digest::InvalidLength
impl Copy for otter_api_tests::otter_support::crates::digest::InvalidOutputSize
impl Copy for MacError
impl Copy for Entry
impl Copy for ClearEnvError
impl Copy for AtFlags
impl Copy for FallocateFlags
impl Copy for otter_api_tests::otter_support::crates::nix::fcntl::FdFlag
impl Copy for OFlag
impl Copy for RenameFlags
impl Copy for SealFlag
impl Copy for SpliceFFlags
impl Copy for DeleteModuleFlags
impl Copy for ModuleInitFlags
impl Copy for Dl_info
impl Copy for Elf32_Chdr
impl Copy for Elf32_Ehdr
impl Copy for Elf32_Phdr
impl Copy for Elf32_Shdr
impl Copy for Elf32_Sym
impl Copy for Elf64_Chdr
impl Copy for Elf64_Ehdr
impl Copy for Elf64_Phdr
impl Copy for Elf64_Shdr
impl Copy for Elf64_Sym
impl Copy for __c_anonymous_ptrace_syscall_info_entry
impl Copy for __c_anonymous_ptrace_syscall_info_exit
impl Copy for __c_anonymous_ptrace_syscall_info_seccomp
impl Copy for __c_anonymous_sockaddr_can_j1939
impl Copy for __c_anonymous_sockaddr_can_tp
impl Copy for __exit_status
impl Copy for __timeval
impl Copy for _libc_fpstate
impl Copy for _libc_fpxreg
impl Copy for _libc_xmmreg
impl Copy for addrinfo
impl Copy for af_alg_iv
impl Copy for aiocb
impl Copy for arpd_request
impl Copy for arphdr
impl Copy for arpreq
impl Copy for arpreq_old
impl Copy for can_filter
impl Copy for can_frame
impl Copy for canfd_frame
impl Copy for cmsghdr
impl Copy for cpu_set_t
impl Copy for dirent64
impl Copy for dirent
impl Copy for dl_phdr_info
impl Copy for dqblk
impl Copy for epoll_event
impl Copy for fanotify_event_metadata
impl Copy for fanotify_response
impl Copy for fd_set
impl Copy for ff_condition_effect
impl Copy for ff_constant_effect
impl Copy for ff_effect
impl Copy for ff_envelope
impl Copy for ff_periodic_effect
impl Copy for ff_ramp_effect
impl Copy for ff_replay
impl Copy for ff_rumble_effect
impl Copy for ff_trigger
impl Copy for flock64
impl Copy for flock
impl Copy for fsid_t
impl Copy for genlmsghdr
impl Copy for glob64_t
impl Copy for glob_t
impl Copy for group
impl Copy for hostent
impl Copy for if_nameindex
impl Copy for ifaddrs
impl Copy for in6_addr
impl Copy for in6_pktinfo
impl Copy for in6_rtmsg
impl Copy for in_addr
impl Copy for in_pktinfo
impl Copy for otter_api_tests::otter_support::crates::nix::libc::inotify_event
impl Copy for input_absinfo
impl Copy for input_event
impl Copy for input_id
impl Copy for input_keymap_entry
impl Copy for input_mask
impl Copy for iovec
impl Copy for ip_mreq
impl Copy for ip_mreq_source
impl Copy for ip_mreqn
impl Copy for ipc_perm
impl Copy for ipv6_mreq
impl Copy for itimerspec
impl Copy for itimerval
impl Copy for j1939_filter
impl Copy for lconv
impl Copy for linger
impl Copy for mallinfo2
impl Copy for mallinfo
impl Copy for max_align_t
impl Copy for mcontext_t
impl Copy for mmsghdr
impl Copy for mntent
impl Copy for mq_attr
impl Copy for msghdr
impl Copy for msginfo
impl Copy for msqid_ds
impl Copy for nl_mmap_hdr
impl Copy for nl_mmap_req
impl Copy for nl_pktinfo
impl Copy for nlattr
impl Copy for nlmsgerr
impl Copy for nlmsghdr
impl Copy for ntptimeval
impl Copy for open_how
impl Copy for packet_mreq
impl Copy for passwd
impl Copy for pollfd
impl Copy for posix_spawn_file_actions_t
impl Copy for posix_spawnattr_t
impl Copy for protoent
impl Copy for pthread_attr_t
impl Copy for pthread_cond_t
impl Copy for pthread_condattr_t
impl Copy for pthread_mutex_t
impl Copy for pthread_mutexattr_t
impl Copy for pthread_rwlock_t
impl Copy for pthread_rwlockattr_t
impl Copy for ptrace_peeksiginfo_args
impl Copy for ptrace_syscall_info
impl Copy for regex_t
impl Copy for regmatch_t
impl Copy for rlimit64
impl Copy for rlimit
impl Copy for rtentry
impl Copy for rusage
impl Copy for sched_param
impl Copy for seccomp_data
impl Copy for seccomp_notif_sizes
impl Copy for sem_t
impl Copy for sembuf
impl Copy for semid_ds
impl Copy for seminfo
impl Copy for servent
impl Copy for shmid_ds
impl Copy for sigaction
impl Copy for sigevent
impl Copy for siginfo_t
impl Copy for signalfd_siginfo
impl Copy for sigset_t
impl Copy for sigval
impl Copy for sock_extended_err
impl Copy for sock_filter
impl Copy for sock_fprog
impl Copy for sock_txtime
impl Copy for sockaddr
impl Copy for sockaddr_alg
impl Copy for sockaddr_can
impl Copy for sockaddr_in6
impl Copy for sockaddr_in
impl Copy for sockaddr_ll
impl Copy for sockaddr_nl
impl Copy for sockaddr_storage
impl Copy for sockaddr_un
impl Copy for sockaddr_vm
impl Copy for spwd
impl Copy for stack_t
impl Copy for stat64
impl Copy for stat
impl Copy for statfs64
impl Copy for statfs
impl Copy for statvfs64
impl Copy for statvfs
impl Copy for statx
impl Copy for statx_timestamp
impl Copy for sysinfo
impl Copy for termios2
impl Copy for termios
impl Copy for timespec
impl Copy for timeval
impl Copy for timex
impl Copy for tm
impl Copy for tms
impl Copy for ucontext_t
impl Copy for ucred
impl Copy for uinput_abs_setup
impl Copy for uinput_ff_erase
impl Copy for uinput_ff_upload
impl Copy for uinput_setup
impl Copy for uinput_user_dev
impl Copy for user
impl Copy for user_fpregs_struct
impl Copy for user_regs_struct
impl Copy for utimbuf
impl Copy for utmpx
impl Copy for utsname
impl Copy for winsize
impl Copy for MntFlags
impl Copy for otter_api_tests::otter_support::crates::nix::mount::MsFlags
impl Copy for otter_api_tests::otter_support::crates::nix::mqueue::FdFlag
impl Copy for MQ_OFlag
impl Copy for MqAttr
impl Copy for InterfaceFlags
impl Copy for PollFd
impl Copy for PollFlags
impl Copy for ForkptyResult
impl Copy for OpenptyResult
impl Copy for CloneFlags
impl Copy for CpuSet
impl Copy for EpollCreateFlags
impl Copy for EpollEvent
impl Copy for EpollFlags
impl Copy for EfdFlags
impl Copy for AddWatchFlags
impl Copy for InitFlags
impl Copy for Inotify
impl Copy for WatchDescriptor
impl Copy for MemFdCreateFlag
impl Copy for MRemapFlags
impl Copy for MapFlags
impl Copy for MlockAllFlags
impl Copy for otter_api_tests::otter_support::crates::nix::sys::mman::MsFlags
impl Copy for ProtFlags
impl Copy for Persona
impl Copy for Options
impl Copy for Dqblk
impl Copy for QuotaValidFlags
impl Copy for FdSet
impl Copy for SaFlags
impl Copy for SigAction
impl Copy for SigEvent
impl Copy for SignalIterator
impl Copy for SfdFlags
impl Copy for SigSet
impl Copy for AcceptConn
impl Copy for AlgSetAeadAuthSize
impl Copy for BindToDevice
impl Copy for Broadcast
impl Copy for Ip6tOriginalDst
impl Copy for IpAddMembership
impl Copy for IpDropMembership
impl Copy for IpFreebind
impl Copy for IpMulticastLoop
impl Copy for IpMulticastTtl
impl Copy for IpTransparent
impl Copy for Ipv4PacketInfo
impl Copy for Ipv4RecvErr
impl Copy for Ipv4Ttl
impl Copy for Ipv6AddMembership
impl Copy for Ipv6DontFrag
impl Copy for Ipv6DropMembership
impl Copy for Ipv6RecvErr
impl Copy for Ipv6RecvPacketInfo
impl Copy for Ipv6Ttl
impl Copy for Ipv6V6Only
impl Copy for KeepAlive
impl Copy for Linger
impl Copy for Mark
impl Copy for OobInline
impl Copy for OriginalDst
impl Copy for PassCred
impl Copy for PeerCredentials
impl Copy for RcvBuf
impl Copy for RcvBufForce
impl Copy for ReceiveTimeout
impl Copy for ReceiveTimestamp
impl Copy for ReceiveTimestampns
impl Copy for ReuseAddr
impl Copy for ReusePort
impl Copy for RxqOvfl
impl Copy for SendTimeout
impl Copy for SndBuf
impl Copy for SndBufForce
impl Copy for otter_api_tests::otter_support::crates::nix::sys::socket::sockopt::SockType
impl Copy for SocketError
impl Copy for TcpCongestion
impl Copy for TcpKeepCount
impl Copy for TcpKeepIdle
impl Copy for TcpKeepInterval
impl Copy for TcpMaxSeg
impl Copy for TcpNoDelay
impl Copy for TcpRepair
impl Copy for TcpUserTimeout
impl Copy for Timestamping
impl Copy for TxTime
impl Copy for UdpGroSegment
impl Copy for UdpGsoSegment
impl Copy for AlgAddr
impl Copy for IpMembershipRequest
impl Copy for otter_api_tests::otter_support::crates::nix::sys::socket::Ipv4Addr
impl Copy for otter_api_tests::otter_support::crates::nix::sys::socket::Ipv6Addr
impl Copy for Ipv6MembershipRequest
impl Copy for LinkAddr
impl Copy for MsgFlags
impl Copy for NetlinkAddr
impl Copy for SockFlag
impl Copy for SockaddrIn6
impl Copy for SockaddrIn
impl Copy for TimestampingFlag
impl Copy for Timestamps
impl Copy for UnixAddr
impl Copy for UnixCredentials
impl Copy for VsockAddr
impl Copy for otter_api_tests::otter_support::crates::nix::sys::stat::Mode
impl Copy for SFlag
impl Copy for FsType
impl Copy for Statfs
impl Copy for FsFlags
impl Copy for Statvfs
impl Copy for SysInfo
impl Copy for ControlFlags
impl Copy for InputFlags
impl Copy for LocalFlags
impl Copy for OutputFlags
impl Copy for TimeVal
impl Copy for TimerSetTimeFlags
impl Copy for TimerFlags
impl Copy for RemoteIoVec
impl Copy for UtsName
impl Copy for WaitPidFlag
impl Copy for otter_api_tests::otter_support::crates::nix::time::ClockId
impl Copy for UContext
impl Copy for AccessFlags
impl Copy for Gid
impl Copy for Pid
impl Copy for ResGid
impl Copy for ResUid
impl Copy for IgnoredAny
impl Copy for PosCFromIteratorError
impl Copy for LimbVal
impl Copy for MutateFirst
impl Copy for MutateLast
impl Copy for Overflow
impl Copy for otter_api_tests::otter_support::crates::otter_base::zcoord::ParseError
impl Copy for TotallyUnboundedRange
impl Copy for otter_api_tests::otter_support::crates::parking_lot::WaitTimeoutResult
impl Copy for Bernoulli
impl Copy for Open01
impl Copy for OpenClosed01
impl Copy for Standard
impl Copy for UniformChar
impl Copy for UniformDuration
impl Copy for OsRng
impl Copy for DefaultConfig
impl Copy for DefaultKey
impl Copy for KeyData
impl Copy for otter_api_tests::otter_support::imports::authproofs::Global
impl Copy for otter_api_tests::otter_support::imports::fs::FileType
impl Copy for otter_api_tests::otter_support::imports::io::Empty
impl Copy for Sink
impl Copy for SystemTime
impl Copy for otter_api_tests::otter_support::imports::unix::ucred::UCred
impl Copy for SenderError
impl Copy for DescId
impl Copy for ShapeCalculable
impl Copy for SvgId
impl Copy for AuthKeysManipError
impl Copy for otter_api_tests::sshkeys::Id
impl Copy for Nonce
impl Copy for AccountId
impl Copy for AccountNotFound
impl Copy for Alphanumeric
impl Copy for BadAssetUrlToken
impl Copy for CircleOutline
impl Copy for ClientId
impl Copy for ClientSequence
impl Copy for CompassAngle
impl Copy for CoordinateOverflow
impl Copy for otter_api_tests::Duration
impl Copy for otter_api_tests::ExitStatusError
impl Copy for FaceId
impl Copy for FastSplitId
impl Copy for FutureInstant
impl Copy for Generation
impl Copy for otter_api_tests::Instant
impl Copy for InvalidAbbrevPresentationLayout
impl Copy for otter_api_tests::Ipv4Addr
impl Copy for otter_api_tests::Ipv6Addr
impl Copy for ModifyingPieces
impl Copy for NonZeroUsize
impl Copy for Notch
impl Copy for OccId
impl Copy for OccultIlkId
impl Copy for OcculterRotationChecked
impl Copy for PIA
impl Copy for PIB
impl Copy for PUOs_Simple_Modify
impl Copy for PieceId
impl Copy for PlayerId
impl Copy for PlayerNotFound
impl Copy for RectOutline
impl Copy for ShowUnocculted
impl Copy for SpecDepth
impl Copy for TimeSpec
impl Copy for TimedFdRead
impl Copy for TimedFdWrite
impl Copy for Timestamp
impl Copy for TokenRevelationValue
impl Copy for TryFromIntError
impl Copy for Uid
impl Copy for UnsupportedColourSpec
impl Copy for UpdateId
impl Copy for VisiblePieceId
impl Copy for WS
impl Copy for AccessError
impl Copy for ThreadId
impl Copy for UnixSocketAddr
impl Copy for otter_api_tests::zipfile::DateTime
impl Copy for FileOptions
impl Copy for AllocError
impl Copy for Layout
impl Copy for TypeId
impl Copy for CpuidResult
impl Copy for __m128
impl Copy for __m128bh
impl Copy for __m128d
impl Copy for __m128i
impl Copy for __m256
impl Copy for __m256bh
impl Copy for __m256d
impl Copy for __m256i
impl Copy for __m512
impl Copy for __m512bh
impl Copy for __m512d
impl Copy for __m512i
impl Copy for otter_api_tests::inventory::core::array::TryFromSliceError
impl Copy for CharTryFromError
impl Copy for TryFromCharError
impl Copy for otter_api_tests::inventory::core::fmt::Error
impl Copy for NonZeroI8
impl Copy for NonZeroI16
impl Copy for NonZeroI32
impl Copy for NonZeroI64
impl Copy for NonZeroI128
impl Copy for NonZeroIsize
impl Copy for NonZeroU8
impl Copy for NonZeroU16
impl Copy for NonZeroU32
impl Copy for NonZeroU64
impl Copy for NonZeroU128
impl Copy for RangeFull
impl Copy for Utf8Error
impl Copy for RawWakerVTable
impl Copy for alloc::alloc::Global
impl Copy for System
impl Copy for SocketAddrV4
impl Copy for SocketAddrV6
impl Copy for ExitCode
impl Copy for ExitStatus
impl Copy for std::process::ExitStatusError
impl Copy for std::sync::condvar::WaitTimeoutResult
impl Copy for OutOfRangeError
impl Copy for PreciseTime
impl Copy for SteadyTime
impl Copy for Timespec
impl Copy for Tm
impl Copy for Adler32
impl Copy for InvalidEncodingError
impl Copy for InvalidLengthError
impl Copy for bzip2::Compression
impl Copy for flate2::Compression
impl Copy for getrandom::error::Error
impl Copy for Reason
impl Copy for StatusCode
impl Copy for http::version::Version
impl Copy for Ipv4AddrRange
impl Copy for Ipv6AddrRange
impl Copy for Ipv4Net
impl Copy for Ipv4Subnets
impl Copy for Ipv6Net
impl Copy for Ipv6Subnets
impl Copy for mio::event_imp::Event
impl Copy for PollOpt
impl Copy for mio::event_imp::Ready
impl Copy for UnixReady
impl Copy for mio::token::Token
impl Copy for ParseRatioError
impl Copy for Asn1Type
impl Copy for CMSOptions
impl Copy for Asn1Flag
impl Copy for PointConversionForm
impl Copy for DigestBytes
impl Copy for MessageDigest
impl Copy for Nid
impl Copy for OcspCertStatus
impl Copy for OcspFlag
impl Copy for OcspResponseStatus
impl Copy for OcspRevokedStatus
impl Copy for Pkcs7Flags
impl Copy for openssl::pkey::Id
impl Copy for openssl::rsa::Padding
impl Copy for SrtpProfileId
impl Copy for ErrorCode
impl Copy for AlpnError
impl Copy for ClientHelloResponse
impl Copy for ExtensionContext
impl Copy for NameType
impl Copy for ShutdownState
impl Copy for SniError
impl Copy for SslAlert
impl Copy for SslFiletype
impl Copy for SslMethod
impl Copy for SslMode
impl Copy for SslOptions
impl Copy for SslSessionCacheMode
impl Copy for SslVerifyMode
impl Copy for SslVersion
impl Copy for StatusType
impl Copy for Cipher
impl Copy for X509VerifyResult
impl Copy for X509CheckFlags
impl Copy for X509VerifyFlags
impl Copy for Output
impl Copy for Params
impl Copy for Pbkdf2
impl Copy for reqwest::tls::Version
impl Copy for Buffer
impl Copy for serde_with::enum_map::EnumMap
impl Copy for Flexible
impl Copy for Lowercase
impl Copy for Padded
impl Copy for PreferMany
impl Copy for PreferOne
impl Copy for Strict
impl Copy for Unpadded
impl Copy for Uppercase
impl Copy for BorrowCow
impl Copy for serde_with::Bytes
impl Copy for BytesOrString
impl Copy for CommaSeparator
impl Copy for DisplayFromStr
impl Copy for NoneAsEmptyString
impl Copy for Same
impl Copy for SpaceSeparator
impl Copy for Domain
impl Copy for socket2::Protocol
impl Copy for RecvFlags
impl Copy for socket2::Type
impl Copy for Choice
impl Copy for tracing_core::metadata::Level
impl Copy for tracing_core::metadata::LevelFilter
impl Copy for NoSubscriber
impl Copy for TextPos
impl Copy for PhantomPinned
impl Copy for __c_anonymous_ptrace_syscall_info_data
impl Copy for __c_anonymous_sockaddr_can_can_addr
impl Copy for SockaddrStorage
impl Copy for AArch64
impl Copy for Aborted
impl Copy for AdaptiveFilterType
impl Copy for AddressSize
impl Copy for Alignment
impl Copy for AnimationControl
impl Copy for AnonObjectHeader
impl Copy for AnonObjectHeaderBigobj
impl Copy for AnonObjectHeaderV2
impl Copy for Architecture
impl Copy for ArchiveKind
impl Copy for Arm
impl Copy for Attribute
impl Copy for AttributeSpecification
impl Copy for Augmentation
impl Copy for BiLevel
impl Copy for BidiClass
impl Copy for BigEndian
impl Copy for BigEndian
impl Copy for BinaryFormat
impl Copy for BitDepth
impl Copy for BlendOp
impl Copy for Builder
impl Copy for BytesCodec
impl Copy for CParameter
impl Copy for Canceled
impl Copy for CharRange
impl Copy for CheckedCastError
impl Copy for ChunkType
impl Copy for ClassBytesRange
impl Copy for ClassSetBinaryOpKind
impl Copy for ClassUnicodeRange
impl Copy for CodingProcess
impl Copy for Color
impl Copy for Color
impl Copy for ColorChoice
impl Copy for ColorType
impl Copy for ColorType
impl Copy for Colour
impl Copy for ColumnType
impl Copy for ComdatKind
impl Copy for Component
impl Copy for ComponentRange
impl Copy for CompressedFileRange
impl Copy for Compression
impl Copy for Compression
impl Copy for CompressionFormat
impl Copy for CompressionLevel
impl Copy for CompressionOptions
impl Copy for CompressionStrategy
impl Copy for CompressionType
impl Copy for Config
impl Copy for ConversionRange
impl Copy for Curve
impl Copy for DataFormat
impl Copy for Date
impl Copy for DateKind
impl Copy for Day
impl Copy for DebugTypeSignature
impl Copy for Delay
impl Copy for DifferentVariant
impl Copy for DisposeOp
impl Copy for Duration
impl Copy for DwAccess
impl Copy for DwAddr
impl Copy for DwAt
impl Copy for DwAte
impl Copy for DwCc
impl Copy for DwCfa
impl Copy for DwChildren
impl Copy for DwDefaulted
impl Copy for DwDs
impl Copy for DwDsc
impl Copy for DwEhPe
impl Copy for DwEnd
impl Copy for DwForm
impl Copy for DwId
impl Copy for DwIdx
impl Copy for DwInl
impl Copy for DwLang
impl Copy for DwLle
impl Copy for DwLnct
impl Copy for DwLne
impl Copy for DwLns
impl Copy for DwMacro
impl Copy for DwOp
impl Copy for DwOrd
impl Copy for DwRle
impl Copy for DwSect
impl Copy for DwSectV2
impl Copy for DwTag
impl Copy for DwUt
impl Copy for DwVirtuality
impl Copy for DwVis
impl Copy for DwarfFileType
impl Copy for DwoId
impl Copy for Encoding
impl Copy for Endianness
impl Copy for Error
impl Copy for Error
impl Copy for Error
impl Copy for Error
impl Copy for Error
impl Copy for EventMask
impl Copy for ExtendedColorType
impl Copy for FatArch32
impl Copy for FatArch64
impl Copy for FatHeader
impl Copy for FileEntryFormat
impl Copy for FileFlags
impl Copy for FileKind
impl Copy for FileTime
impl Copy for FileType
impl Copy for FilterOp
impl Copy for FilterType
impl Copy for FilterType
impl Copy for FilterType
impl Copy for FixedAt
impl Copy for Flag
impl Copy for Format
impl Copy for FormattedComponents
impl Copy for FrameControl
impl Copy for GraphemeClusterBreak
impl Copy for Guid
impl Copy for Hash128
impl Copy for Header
impl Copy for Hour
impl Copy for Ident
impl Copy for ImageAlpha64RuntimeFunctionEntry
impl Copy for ImageAlphaRuntimeFunctionEntry
impl Copy for ImageArchitectureEntry
impl Copy for ImageArchiveMemberHeader
impl Copy for ImageArm64RuntimeFunctionEntry
impl Copy for ImageArmRuntimeFunctionEntry
impl Copy for ImageAuxSymbolCrc
impl Copy for ImageAuxSymbolFunction
impl Copy for ImageAuxSymbolFunctionBeginEnd
impl Copy for ImageAuxSymbolSection
impl Copy for ImageAuxSymbolTokenDef
impl Copy for ImageAuxSymbolWeak
impl Copy for ImageBaseRelocation
impl Copy for ImageBoundForwarderRef
impl Copy for ImageBoundImportDescriptor
impl Copy for ImageCoffSymbolsHeader
impl Copy for ImageCor20Header
impl Copy for ImageDataDirectory
impl Copy for ImageDebugDirectory
impl Copy for ImageDebugMisc
impl Copy for ImageDelayloadDescriptor
impl Copy for ImageDosHeader
impl Copy for ImageDynamicRelocation32
impl Copy for ImageDynamicRelocation32V2
impl Copy for ImageDynamicRelocation64
impl Copy for ImageDynamicRelocation64V2
impl Copy for ImageDynamicRelocationTable
impl Copy for ImageEnclaveConfig32
impl Copy for ImageEnclaveConfig64
impl Copy for ImageEnclaveImport
impl Copy for ImageEpilogueDynamicRelocationHeader
impl Copy for ImageExportDirectory
impl Copy for ImageFileHeader
impl Copy for ImageFormat
impl Copy for ImageFunctionEntry
impl Copy for ImageFunctionEntry64
impl Copy for ImageHotPatchBase
impl Copy for ImageHotPatchHashes
impl Copy for ImageHotPatchInfo
impl Copy for ImageImportByName
impl Copy for ImageImportDescriptor
impl Copy for ImageInfo
impl Copy for ImageLinenumber
impl Copy for ImageLoadConfigCodeIntegrity
impl Copy for ImageLoadConfigDirectory32
impl Copy for ImageLoadConfigDirectory64
impl Copy for ImageNtHeaders32
impl Copy for ImageNtHeaders64
impl Copy for ImageOptionalHeader32
impl Copy for ImageOptionalHeader64
impl Copy for ImageOs2Header
impl Copy for ImagePrologueDynamicRelocationHeader
impl Copy for ImageRelocation
impl Copy for ImageResourceDataEntry
impl Copy for ImageResourceDirStringU
impl Copy for ImageResourceDirectory
impl Copy for ImageResourceDirectoryEntry
impl Copy for ImageResourceDirectoryString
impl Copy for ImageRomHeaders
impl Copy for ImageRomOptionalHeader
impl Copy for ImageRuntimeFunctionEntry
impl Copy for ImageSectionHeader
impl Copy for ImageSeparateDebugHeader
impl Copy for ImageSymbol
impl Copy for ImageSymbolBytes
impl Copy for ImageSymbolEx
impl Copy for ImageSymbolExBytes
impl Copy for ImageThunkData32
impl Copy for ImageThunkData64
impl Copy for ImageTlsDirectory32
impl Copy for ImageTlsDirectory64
impl Copy for ImageVxdHeader
impl Copy for ImportObjectHeader
impl Copy for IndeterminateOffset
impl Copy for Infix
impl Copy for Instant
impl Copy for Instant
impl Copy for Interest
impl Copy for Interest
impl Copy for InvalidLength
impl Copy for InvalidOutputSize
impl Copy for InvalidVariant
impl Copy for Kilo
impl Copy for Level
impl Copy for Limits
impl Copy for LineEncoding
impl Copy for LineRow
impl Copy for LittleEndian
impl Copy for LittleEndian
impl Copy for LoopError
impl Copy for MZError
impl Copy for MZFlush
impl Copy for MZStatus
impl Copy for Marker
impl Copy for MaskedRichHeaderEntry
impl Copy for MatchKind
impl Copy for MatchKind
impl Copy for MatchingType
impl Copy for Minute
impl Copy for MissedTickBehavior
impl Copy for Month
impl Copy for Month
impl Copy for MonthRepr
impl Copy for NoA1
impl Copy for NoA2
impl Copy for NoNI
impl Copy for NoS3
impl Copy for NoS4
impl Copy for NonPagedDebugInfo
impl Copy for NormalForm
impl Copy for ObjectKind
impl Copy for OffsetDateTime
impl Copy for OffsetHour
impl Copy for OffsetMinute
impl Copy for OffsetPrecision
impl Copy for OffsetSecond
impl Copy for Op
impl Copy for Ordinal
impl Copy for OverflowError
impl Copy for Padding
impl Copy for ParkResult
impl Copy for ParkToken
impl Copy for Parse
impl Copy for ParseFromDescription
impl Copy for Parsed
impl Copy for Period
impl Copy for PixelDensity
impl Copy for PixelDensityUnit
impl Copy for PixelDimensions
impl Copy for PixelFormat
impl Copy for PodCastError
impl Copy for Pointer
impl Copy for PollNext
impl Copy for Position
impl Copy for Prefilter
impl Copy for Prefix
impl Copy for PrimitiveDateTime
impl Copy for Progress
impl Copy for Range
impl Copy for ReaderOffsetId
impl Copy for Ready
impl Copy for Rect
impl Copy for RecursiveMode
impl Copy for Register
impl Copy for Relocation
impl Copy for RelocationEncoding
impl Copy for RelocationInfo
impl Copy for RelocationKind
impl Copy for RelocationTarget
impl Copy for RequeueOp
impl Copy for ResourceName
impl Copy for Rfc2822
impl Copy for Rfc3339
impl Copy for RichHeaderEntry
impl Copy for RiscV
impl Copy for RunTimeEndian
impl Copy for SampleLayout
impl Copy for ScaledFloat
impl Copy for ScatteredRelocationInfo
impl Copy for Second
impl Copy for SectionFlags
impl Copy for SectionId
impl Copy for SectionIndex
impl Copy for SectionKind
impl Copy for SegmentFlags
impl Copy for SentenceBreak
impl Copy for SipHasher
impl Copy for SipHasher
impl Copy for SipHasher13
impl Copy for SipHasher13
impl Copy for SipHasher24
impl Copy for SipHasher24
impl Copy for SourceChromaticities
impl Copy for Span
impl Copy for SpecialOptions
impl Copy for SrgbRenderingIntent
impl Copy for StoreOnHeap
impl Copy for Stream
impl Copy for StreamResult
impl Copy for Style
impl Copy for Subsecond
impl Copy for SubsecondDigits
impl Copy for Suffix
impl Copy for SymbolIndex
impl Copy for SymbolKind
impl Copy for SymbolScope
impl Copy for SymbolSection
impl Copy for TDEFLFlush
impl Copy for TDEFLStatus
impl Copy for TINFLStatus
impl Copy for TermFamily
impl Copy for Time
impl Copy for TimePrecision
impl Copy for Token
impl Copy for Transformations
impl Copy for TryFromParsed
impl Copy for TryFromSliceError
impl Copy for TryRecvError
impl Copy for UCred
impl Copy for UnicodeVersion
impl Copy for Unit
impl Copy for UnitIndexSection
impl Copy for UnparkResult
impl Copy for UnparkToken
impl Copy for UtcOffset
impl Copy for Utf8Range
impl Copy for Utf8Sequence
impl Copy for Value
impl Copy for ValueType
impl Copy for VersionIndex
impl Copy for WalkState
impl Copy for WatchMask
impl Copy for WeekNumber
impl Copy for WeekNumberRepr
impl Copy for Weekday
impl Copy for Weekday
impl Copy for WeekdayRepr
impl Copy for WordBreak
impl Copy for X86
impl Copy for X86_64
impl Copy for Year
impl Copy for YearRepr
impl Copy for YesA1
impl Copy for YesA2
impl Copy for YesNI
impl Copy for YesS3
impl Copy for YesS4
impl Copy for ZDICT_params_t
impl Copy for ZSTD_CCtx_s
impl Copy for ZSTD_CDict_s
impl Copy for ZSTD_DCtx_s
impl Copy for ZSTD_DDict_s
impl Copy for ZSTD_EndDirective
impl Copy for ZSTD_ResetDirective
impl Copy for ZSTD_bounds
impl Copy for ZSTD_cParameter
impl Copy for ZSTD_dParameter
impl Copy for ZSTD_inBuffer_s
impl Copy for ZSTD_outBuffer_s
impl Copy for ZSTD_strategy
impl Copy for inotify_event
impl Copy for vec128_storage
impl Copy for vec256_storage
impl Copy for vec512_storage
impl<'_, T> Copy for &T where
T: ?Sized,
Shared references can be copied, but mutable references cannot!