Trait sgx_tstd::panic::UnwindSafe

1.9.0 · source ·
pub auto trait UnwindSafe { }
Expand description

A marker trait which represents “panic safe” types in Rust.

This trait is implemented by default for many types and behaves similarly in terms of inference of implementation to the Send and Sync traits. The purpose of this trait is to encode what types are safe to cross a catch_unwind boundary with no fear of unwind safety.

What is unwind safety?

In Rust a function can “return” early if it either panics or calls a function which transitively panics. This sort of control flow is not always anticipated, and has the possibility of causing subtle bugs through a combination of two critical components:

  1. A data structure is in a temporarily invalid state when the thread panics.
  2. This broken invariant is then later observed.

Typically in Rust, it is difficult to perform step (2) because catching a panic involves either spawning a thread (which in turn makes it difficult to later witness broken invariants) or using the catch_unwind function in this module. Additionally, even if an invariant is witnessed, it typically isn’t a problem in Rust because there are no uninitialized values (like in C or C++).

It is possible, however, for logical invariants to be broken in Rust, which can end up causing behavioral bugs. Another key aspect of unwind safety in Rust is that, in the absence of unsafe code, a panic cannot lead to memory unsafety.

That was a bit of a whirlwind tour of unwind safety, but for more information about unwind safety and how it applies to Rust, see an associated RFC.

What is UnwindSafe?

Now that we’ve got an idea of what unwind safety is in Rust, it’s also important to understand what this trait represents. As mentioned above, one way to witness broken invariants is through the catch_unwind function in this module as it allows catching a panic and then re-using the environment of the closure.

Simply put, a type T implements UnwindSafe if it cannot easily allow witnessing a broken invariant through the use of catch_unwind (catching a panic). This trait is an auto trait, so it is automatically implemented for many types, and it is also structurally composed (e.g., a struct is unwind safe if all of its components are unwind safe).

Note, however, that this is not an unsafe trait, so there is not a succinct contract that this trait is providing. Instead it is intended as more of a “speed bump” to alert users of catch_unwind that broken invariants may be witnessed and may need to be accounted for.

Who implements UnwindSafe?

Types such as &mut T and &RefCell<T> are examples which are not unwind safe. The general idea is that any mutable state which can be shared across catch_unwind is not unwind safe by default. This is because it is very easy to witness a broken invariant outside of catch_unwind as the data is simply accessed as usual.

Types like &Mutex<T>, however, are unwind safe because they implement poisoning by default. They still allow witnessing a broken invariant, but they already provide their own “speed bumps” to do so.

When should UnwindSafe be used?

It is not intended that most types or functions need to worry about this trait. It is only used as a bound on the catch_unwind function and as mentioned above, the lack of unsafe means it is mostly an advisory. The AssertUnwindSafe wrapper struct can be used to force this trait to be implemented for any closed over variables passed to catch_unwind.

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impl UnwindSafe for sgx_tstd::sync::Once

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impl<K, V, A> UnwindSafe for BTreeMap<K, V, A>where A: Allocator + Clone + UnwindSafe, K: RefUnwindSafe, V: RefUnwindSafe,

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impl<K, V, S> UnwindSafe for HashMap<K, V, S>where K: UnwindSafe, V: UnwindSafe, S: UnwindSafe,

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impl<T> !UnwindSafe for &mut Twhere T: ?Sized,

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impl<T> UnwindSafe for *const Twhere T: RefUnwindSafe + ?Sized,

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impl<T> UnwindSafe for *mut Twhere T: RefUnwindSafe + ?Sized,

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impl<T> UnwindSafe for &Twhere T: RefUnwindSafe + ?Sized,

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impl<T> UnwindSafe for sgx_sync::once_lock::OnceLock<T>where T: UnwindSafe,

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impl<T> UnwindSafe for ReentrantMutex<T>

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impl<T> UnwindSafe for NonNull<T>where T: RefUnwindSafe + ?Sized,

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impl<T> UnwindSafe for AssertUnwindSafe<T>

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impl<T, A> UnwindSafe for Rc<T, A>where T: RefUnwindSafe + ?Sized, A: Allocator + UnwindSafe,

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impl<T, A> UnwindSafe for Arc<T, A>where T: RefUnwindSafe + ?Sized, A: Allocator + UnwindSafe,

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impl<T, F> UnwindSafe for sgx_sync::lazy_lock::LazyLock<T, F>where F: UnwindSafe, OnceLock<T>: UnwindSafe,

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impl<T: UnwindSafe> UnwindSafe for sgx_tstd::sync::OnceLock<T>

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impl<T: UnwindSafe, F: UnwindSafe> UnwindSafe for sgx_tstd::sync::LazyLock<T, F>

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impl<T: ?Sized> UnwindSafe for Mutex<T>

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impl<T: ?Sized> UnwindSafe for RwLock<T>

Auto implementors§

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impl !UnwindSafe for sgx_tstd::io::Error

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impl UnwindSafe for PolledOk

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impl UnwindSafe for OCallError

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impl UnwindSafe for AddressKind

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impl UnwindSafe for SockAddr

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impl UnwindSafe for DIR

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impl UnwindSafe for AsciiChar

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impl UnwindSafe for sgx_tstd::cmp::Ordering

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impl UnwindSafe for TryReserveErrorKind

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impl UnwindSafe for Infallible

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impl UnwindSafe for VarError

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impl UnwindSafe for c_void

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impl UnwindSafe for sgx_tstd::fmt::Alignment

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impl UnwindSafe for BasicBlock

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impl UnwindSafe for UnwindTerminateReason

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impl UnwindSafe for ErrorKind

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impl UnwindSafe for SeekFrom

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impl UnwindSafe for IpAddr

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impl UnwindSafe for Ipv6MulticastScope

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impl UnwindSafe for Shutdown

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impl UnwindSafe for SocketAddr

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impl UnwindSafe for FpCategory

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impl UnwindSafe for IntErrorKind

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impl UnwindSafe for SearchStep

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impl UnwindSafe for sgx_tstd::sync::atomic::Ordering

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impl UnwindSafe for TcsPolicy

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impl UnwindSafe for addr_info

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impl UnwindSafe for CpuidResult

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impl UnwindSafe for HostBuffer

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impl UnwindSafe for HeapBuffer

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impl UnwindSafe for HostAlloc

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impl UnwindSafe for AddrInfo

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impl UnwindSafe for AddrInfoHints

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impl UnwindSafe for MsgHdrFlags

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impl UnwindSafe for addrinfo

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impl UnwindSafe for cmsghdr

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impl UnwindSafe for cpu_set_t

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impl UnwindSafe for dirent64

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impl UnwindSafe for dirent

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impl UnwindSafe for epoll_event

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impl UnwindSafe for fd_set

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impl UnwindSafe for hostent

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impl UnwindSafe for in6_addr

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impl UnwindSafe for in_addr

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impl UnwindSafe for iovec

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impl UnwindSafe for ip_mreq

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impl UnwindSafe for ipv6_mreq

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impl UnwindSafe for linger

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impl UnwindSafe for msghdr

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impl UnwindSafe for passwd

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impl UnwindSafe for pollfd

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impl UnwindSafe for sigaction

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impl UnwindSafe for siginfo_t

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impl UnwindSafe for sigset_t

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impl UnwindSafe for sigval

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impl UnwindSafe for sockaddr

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impl UnwindSafe for sockaddr_in6

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impl UnwindSafe for sockaddr_in

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impl UnwindSafe for sockaddr_ll

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impl UnwindSafe for sockaddr_nl

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impl UnwindSafe for sockaddr_storage

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impl UnwindSafe for sockaddr_un

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impl UnwindSafe for stat64

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impl UnwindSafe for sgx_oc::linux::x86_64::stat

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impl UnwindSafe for timeval

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impl UnwindSafe for tm

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impl UnwindSafe for ucred

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impl UnwindSafe for utsname

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impl UnwindSafe for winsize

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impl UnwindSafe for sgx_sync::condvar::Condvar

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impl UnwindSafe for MovableMutex

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impl UnwindSafe for StaticMutex

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impl UnwindSafe for StaticMutexGuard

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impl UnwindSafe for MovableRwLock

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impl UnwindSafe for StaticRwLock

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impl UnwindSafe for StaticRwLockReadGuard

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impl UnwindSafe for StaticRwLockWriteGuard

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impl UnwindSafe for timespec

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impl UnwindSafe for AllocError

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impl UnwindSafe for Global

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impl UnwindSafe for Layout

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impl UnwindSafe for LayoutError

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impl UnwindSafe for System

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impl UnwindSafe for TypeId

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impl UnwindSafe for TryFromSliceError

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impl UnwindSafe for sgx_tstd::ascii::EscapeDefault

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impl UnwindSafe for BorrowError

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impl UnwindSafe for BorrowMutError

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impl UnwindSafe for CharTryFromError

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impl UnwindSafe for DecodeUtf16Error

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impl UnwindSafe for sgx_tstd::char::EscapeDebug

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impl UnwindSafe for sgx_tstd::char::EscapeDefault

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impl UnwindSafe for sgx_tstd::char::EscapeUnicode

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impl UnwindSafe for ParseCharError

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impl UnwindSafe for ToLowercase

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impl UnwindSafe for ToUppercase

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impl UnwindSafe for TryFromCharError

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impl UnwindSafe for DefaultHasher

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impl UnwindSafe for RandomState

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impl UnwindSafe for TryReserveError

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impl UnwindSafe for Enclave

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impl UnwindSafe for Args

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impl UnwindSafe for ArgsOs

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impl UnwindSafe for JoinPathsError

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impl UnwindSafe for Vars

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impl UnwindSafe for VarsOs

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impl UnwindSafe for CStr

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impl UnwindSafe for CString

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impl UnwindSafe for FromBytesUntilNulError

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impl UnwindSafe for FromBytesWithNulError

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impl UnwindSafe for FromVecWithNulError

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impl UnwindSafe for IntoStringError

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impl UnwindSafe for NulError

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impl UnwindSafe for OsStr

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impl UnwindSafe for OsString

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impl UnwindSafe for sgx_tstd::fmt::Error

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impl UnwindSafe for SipHasher

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impl UnwindSafe for sgx_tstd::io::Empty

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impl UnwindSafe for sgx_tstd::io::Repeat

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impl UnwindSafe for Sink

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impl UnwindSafe for Stderr

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impl UnwindSafe for Stdin

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impl UnwindSafe for Stdout

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impl UnwindSafe for WriterPanicked

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impl UnwindSafe for PhantomPinned

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impl UnwindSafe for Assume

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impl UnwindSafe for AddrParseError

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impl UnwindSafe for Ipv4Addr

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impl UnwindSafe for Ipv6Addr

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impl UnwindSafe for SocketAddrV4

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impl UnwindSafe for SocketAddrV6

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impl UnwindSafe for NonZeroI8

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impl UnwindSafe for NonZeroI16

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impl UnwindSafe for NonZeroI32

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impl UnwindSafe for NonZeroI64

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impl UnwindSafe for NonZeroI128

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impl UnwindSafe for NonZeroIsize

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impl UnwindSafe for NonZeroU8

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impl UnwindSafe for NonZeroU16

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impl UnwindSafe for NonZeroU32

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impl UnwindSafe for NonZeroU64

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impl UnwindSafe for NonZeroU128

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impl UnwindSafe for NonZeroUsize

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impl UnwindSafe for ParseFloatError

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impl UnwindSafe for ParseIntError

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impl UnwindSafe for TryFromIntError

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impl UnwindSafe for RangeFull

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impl UnwindSafe for OwnedFd

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impl UnwindSafe for sgx_tstd::os::linux::raw::stat

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impl UnwindSafe for Path

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impl UnwindSafe for PathBuf

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impl UnwindSafe for StripPrefixError

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impl UnwindSafe for sgx_tstd::ptr::Alignment

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impl UnwindSafe for ParseBoolError

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impl UnwindSafe for Utf8Error

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impl UnwindSafe for FromUtf8Error

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impl UnwindSafe for FromUtf16Error

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impl UnwindSafe for String

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impl UnwindSafe for AtomicBool

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impl UnwindSafe for AtomicI8

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impl UnwindSafe for AtomicI16

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impl UnwindSafe for AtomicI32

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impl UnwindSafe for AtomicI64

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impl UnwindSafe for AtomicIsize

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impl UnwindSafe for AtomicU8

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impl UnwindSafe for AtomicU16

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impl UnwindSafe for AtomicU32

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impl UnwindSafe for AtomicU64

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impl UnwindSafe for AtomicUsize

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impl UnwindSafe for Barrier

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impl UnwindSafe for BarrierWaitResult

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impl UnwindSafe for sgx_tstd::sync::Condvar

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impl UnwindSafe for OnceState

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impl UnwindSafe for WaitTimeoutResult

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impl UnwindSafe for RawWaker

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impl UnwindSafe for RawWakerVTable

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impl UnwindSafe for Waker

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impl UnwindSafe for AccessError

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impl UnwindSafe for Thread

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impl UnwindSafe for ThreadId

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impl UnwindSafe for Duration

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impl UnwindSafe for Instant

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impl UnwindSafe for SystemTime

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impl UnwindSafe for SystemTimeError

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impl UnwindSafe for TryFromFloatSecsError

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impl UnwindSafe for DirBuilder

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impl UnwindSafe for DirEntry

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impl UnwindSafe for File

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impl UnwindSafe for FileTimes

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impl UnwindSafe for FileType

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impl UnwindSafe for Metadata

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impl UnwindSafe for OpenOptions

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impl UnwindSafe for Permissions

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impl UnwindSafe for ReadDir

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impl<'a> !UnwindSafe for HostSliceMut<'a>

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impl<'a> !UnwindSafe for MsgHdrMut<'a>

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impl<'a> !UnwindSafe for Request<'a>

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impl<'a> !UnwindSafe for Arguments<'a>

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impl<'a> !UnwindSafe for Formatter<'a>

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impl<'a> !UnwindSafe for BorrowedCursor<'a>

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impl<'a> !UnwindSafe for IoSliceMut<'a>

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impl<'a> !UnwindSafe for PanicInfo<'a>

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impl<'a> UnwindSafe for Component<'a>

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impl<'a> UnwindSafe for Prefix<'a>

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impl<'a> UnwindSafe for HostSlice<'a>

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impl<'a> UnwindSafe for MsgHdr<'a>

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impl<'a> UnwindSafe for SplitPaths<'a>

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impl<'a> UnwindSafe for IoSlice<'a>

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impl<'a> UnwindSafe for StderrLock<'a>

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impl<'a> UnwindSafe for StdinLock<'a>

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impl<'a> UnwindSafe for StdoutLock<'a>

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impl<'a> UnwindSafe for Ancestors<'a>

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impl<'a> UnwindSafe for Components<'a>

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impl<'a> UnwindSafe for Display<'a>

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impl<'a> UnwindSafe for sgx_tstd::path::Iter<'a>

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impl<'a> UnwindSafe for PrefixComponent<'a>

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impl<'a> UnwindSafe for EscapeAscii<'a>

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impl<'a> UnwindSafe for CharSearcher<'a>

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impl<'a> UnwindSafe for sgx_tstd::str::Bytes<'a>

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impl<'a> UnwindSafe for CharIndices<'a>

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impl<'a> UnwindSafe for Chars<'a>

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impl<'a> UnwindSafe for EncodeUtf16<'a>

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impl<'a> UnwindSafe for sgx_tstd::str::EscapeDebug<'a>

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impl<'a> UnwindSafe for sgx_tstd::str::EscapeDefault<'a>

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impl<'a> UnwindSafe for sgx_tstd::str::EscapeUnicode<'a>

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impl<'a> UnwindSafe for sgx_tstd::str::Lines<'a>

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impl<'a> UnwindSafe for LinesAny<'a>

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impl<'a> UnwindSafe for SplitAsciiWhitespace<'a>

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impl<'a> UnwindSafe for SplitWhitespace<'a>

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impl<'a> UnwindSafe for Utf8Chunk<'a>

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impl<'a> UnwindSafe for Utf8Chunks<'a>

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impl<'a> UnwindSafe for sgx_tstd::string::Drain<'a>

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impl<'a> UnwindSafe for Context<'a>

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impl<'a> UnwindSafe for Location<'a>

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impl<'a, 'b> !UnwindSafe for DebugList<'a, 'b>

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impl<'a, 'b> !UnwindSafe for DebugMap<'a, 'b>

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impl<'a, 'b> !UnwindSafe for DebugSet<'a, 'b>

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impl<'a, 'b> !UnwindSafe for DebugStruct<'a, 'b>

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impl<'a, 'b> !UnwindSafe for DebugTuple<'a, 'b>

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impl<'a, 'b> UnwindSafe for CharSliceSearcher<'a, 'b>

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impl<'a, 'b> UnwindSafe for StrSearcher<'a, 'b>

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impl<'a, 'b, const N: usize> UnwindSafe for CharArrayRefSearcher<'a, 'b, N>

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impl<'a, 'f> !UnwindSafe for VaList<'a, 'f>

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impl<'a, A> !UnwindSafe for sgx_tstd::option::IterMut<'a, A>

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impl<'a, A> UnwindSafe for sgx_tstd::option::Iter<'a, A>where A: RefUnwindSafe,

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impl<'a, B: ?Sized> UnwindSafe for Cow<'a, B>where B: RefUnwindSafe, <B as ToOwned>::Owned: UnwindSafe,

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impl<'a, F> UnwindSafe for CharPredicateSearcher<'a, F>where F: UnwindSafe,

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impl<'a, I> !UnwindSafe for ByRefSized<'a, I>

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impl<'a, I, A> UnwindSafe for Splice<'a, I, A>where A: RefUnwindSafe, I: UnwindSafe, <I as Iterator>::Item: RefUnwindSafe,

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impl<'a, K> UnwindSafe for sgx_tstd::collections::hash_set::Drain<'a, K>where K: RefUnwindSafe,

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impl<'a, K> UnwindSafe for sgx_tstd::collections::hash_set::Iter<'a, K>where K: RefUnwindSafe,

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impl<'a, K, F> !UnwindSafe for sgx_tstd::collections::hash_set::ExtractIf<'a, K, F>

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impl<'a, K, V> !UnwindSafe for sgx_tstd::collections::hash_map::Entry<'a, K, V>

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impl<'a, K, V> !UnwindSafe for sgx_tstd::collections::btree_map::IterMut<'a, K, V>

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impl<'a, K, V> !UnwindSafe for RangeMut<'a, K, V>

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impl<'a, K, V> !UnwindSafe for sgx_tstd::collections::btree_map::ValuesMut<'a, K, V>

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impl<'a, K, V> !UnwindSafe for sgx_tstd::collections::hash_map::IterMut<'a, K, V>

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impl<'a, K, V> !UnwindSafe for sgx_tstd::collections::hash_map::OccupiedEntry<'a, K, V>

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impl<'a, K, V> !UnwindSafe for sgx_tstd::collections::hash_map::OccupiedError<'a, K, V>

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impl<'a, K, V> !UnwindSafe for sgx_tstd::collections::hash_map::VacantEntry<'a, K, V>

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impl<'a, K, V> !UnwindSafe for sgx_tstd::collections::hash_map::ValuesMut<'a, K, V>

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impl<'a, K, V> UnwindSafe for sgx_tstd::collections::btree_map::Cursor<'a, K, V>where K: RefUnwindSafe, V: RefUnwindSafe,

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impl<'a, K, V> UnwindSafe for sgx_tstd::collections::btree_map::Iter<'a, K, V>where K: RefUnwindSafe, V: RefUnwindSafe,

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impl<'a, K, V> UnwindSafe for sgx_tstd::collections::btree_map::Keys<'a, K, V>where K: RefUnwindSafe, V: RefUnwindSafe,

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impl<'a, K, V> UnwindSafe for sgx_tstd::collections::btree_map::Range<'a, K, V>where K: RefUnwindSafe, V: RefUnwindSafe,

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impl<'a, K, V> UnwindSafe for sgx_tstd::collections::btree_map::Values<'a, K, V>where K: RefUnwindSafe, V: RefUnwindSafe,

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impl<'a, K, V> UnwindSafe for sgx_tstd::collections::hash_map::Drain<'a, K, V>where K: RefUnwindSafe, V: RefUnwindSafe,

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impl<'a, K, V> UnwindSafe for sgx_tstd::collections::hash_map::Iter<'a, K, V>where K: RefUnwindSafe, V: RefUnwindSafe,

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impl<'a, K, V> UnwindSafe for sgx_tstd::collections::hash_map::Keys<'a, K, V>where K: RefUnwindSafe, V: RefUnwindSafe,

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impl<'a, K, V> UnwindSafe for sgx_tstd::collections::hash_map::Values<'a, K, V>where K: RefUnwindSafe, V: RefUnwindSafe,

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impl<'a, K, V, A = Global> !UnwindSafe for sgx_tstd::collections::btree_map::Entry<'a, K, V, A>

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impl<'a, K, V, A = Global> !UnwindSafe for sgx_tstd::collections::btree_map::CursorMut<'a, K, V, A>

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impl<'a, K, V, A = Global> !UnwindSafe for sgx_tstd::collections::btree_map::OccupiedEntry<'a, K, V, A>

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impl<'a, K, V, A = Global> !UnwindSafe for sgx_tstd::collections::btree_map::OccupiedError<'a, K, V, A>

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impl<'a, K, V, A = Global> !UnwindSafe for sgx_tstd::collections::btree_map::VacantEntry<'a, K, V, A>

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impl<'a, K, V, F> !UnwindSafe for sgx_tstd::collections::hash_map::ExtractIf<'a, K, V, F>

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impl<'a, K, V, F, A = Global> !UnwindSafe for sgx_tstd::collections::btree_map::ExtractIf<'a, K, V, F, A>

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impl<'a, K, V, S> !UnwindSafe for RawEntryMut<'a, K, V, S>

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impl<'a, K, V, S> !UnwindSafe for RawEntryBuilderMut<'a, K, V, S>

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impl<'a, K, V, S> !UnwindSafe for RawOccupiedEntryMut<'a, K, V, S>

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impl<'a, K, V, S> !UnwindSafe for RawVacantEntryMut<'a, K, V, S>

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impl<'a, K, V, S> UnwindSafe for RawEntryBuilder<'a, K, V, S>where K: RefUnwindSafe, S: RefUnwindSafe, V: RefUnwindSafe,

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impl<'a, P> UnwindSafe for MatchIndices<'a, P>where <P as Pattern<'a>>::Searcher: UnwindSafe,

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impl<'a, P> UnwindSafe for Matches<'a, P>where <P as Pattern<'a>>::Searcher: UnwindSafe,

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impl<'a, P> UnwindSafe for RMatchIndices<'a, P>where <P as Pattern<'a>>::Searcher: UnwindSafe,

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impl<'a, P> UnwindSafe for RMatches<'a, P>where <P as Pattern<'a>>::Searcher: UnwindSafe,

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impl<'a, P> UnwindSafe for sgx_tstd::str::RSplit<'a, P>where <P as Pattern<'a>>::Searcher: UnwindSafe,

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impl<'a, P> UnwindSafe for sgx_tstd::str::RSplitN<'a, P>where <P as Pattern<'a>>::Searcher: UnwindSafe,

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impl<'a, P> UnwindSafe for RSplitTerminator<'a, P>where <P as Pattern<'a>>::Searcher: UnwindSafe,

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impl<'a, P> UnwindSafe for sgx_tstd::str::Split<'a, P>where <P as Pattern<'a>>::Searcher: UnwindSafe,

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impl<'a, P> UnwindSafe for sgx_tstd::str::SplitInclusive<'a, P>where <P as Pattern<'a>>::Searcher: UnwindSafe,

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impl<'a, P> UnwindSafe for sgx_tstd::str::SplitN<'a, P>where <P as Pattern<'a>>::Searcher: UnwindSafe,

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impl<'a, P> UnwindSafe for SplitTerminator<'a, P>where <P as Pattern<'a>>::Searcher: UnwindSafe,

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impl<'a, T> !UnwindSafe for sgx_tstd::collections::linked_list::IterMut<'a, T>

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impl<'a, T> !UnwindSafe for sgx_tstd::collections::vec_deque::IterMut<'a, T>

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impl<'a, T> !UnwindSafe for sgx_tstd::result::IterMut<'a, T>

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impl<'a, T> !UnwindSafe for ChunksExactMut<'a, T>

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impl<'a, T> !UnwindSafe for ChunksMut<'a, T>

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impl<'a, T> !UnwindSafe for sgx_tstd::slice::IterMut<'a, T>

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impl<'a, T> !UnwindSafe for RChunksExactMut<'a, T>

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impl<'a, T> !UnwindSafe for RChunksMut<'a, T>

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impl<'a, T> UnwindSafe for ReentrantMutexGuard<'a, T>

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impl<'a, T> UnwindSafe for sgx_tstd::collections::binary_heap::Iter<'a, T>where T: RefUnwindSafe,

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impl<'a, T> UnwindSafe for sgx_tstd::collections::btree_set::Iter<'a, T>where T: RefUnwindSafe,

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impl<'a, T> UnwindSafe for sgx_tstd::collections::btree_set::Range<'a, T>where T: RefUnwindSafe,

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impl<'a, T> UnwindSafe for sgx_tstd::collections::btree_set::SymmetricDifference<'a, T>where T: RefUnwindSafe,

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impl<'a, T> UnwindSafe for sgx_tstd::collections::btree_set::Union<'a, T>where T: RefUnwindSafe,

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impl<'a, T> UnwindSafe for sgx_tstd::collections::linked_list::Iter<'a, T>where T: RefUnwindSafe,

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impl<'a, T> UnwindSafe for sgx_tstd::collections::vec_deque::Iter<'a, T>where T: RefUnwindSafe,

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impl<'a, T> UnwindSafe for sgx_tstd::result::Iter<'a, T>where T: RefUnwindSafe,

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impl<'a, T> UnwindSafe for Chunks<'a, T>where T: RefUnwindSafe,

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impl<'a, T> UnwindSafe for ChunksExact<'a, T>where T: RefUnwindSafe,

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impl<'a, T> UnwindSafe for sgx_tstd::slice::Iter<'a, T>where T: RefUnwindSafe,

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impl<'a, T> UnwindSafe for RChunks<'a, T>where T: RefUnwindSafe,

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impl<'a, T> UnwindSafe for RChunksExact<'a, T>where T: RefUnwindSafe,

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impl<'a, T> UnwindSafe for Windows<'a, T>where T: RefUnwindSafe,

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impl<'a, T, A = Global> !UnwindSafe for DrainSorted<'a, T, A>

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impl<'a, T, A = Global> !UnwindSafe for PeekMut<'a, T, A>

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impl<'a, T, A = Global> !UnwindSafe for sgx_tstd::collections::linked_list::CursorMut<'a, T, A>

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impl<'a, T, A> UnwindSafe for sgx_tstd::collections::binary_heap::Drain<'a, T, A>where A: RefUnwindSafe, T: RefUnwindSafe,

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impl<'a, T, A> UnwindSafe for sgx_tstd::collections::btree_set::Difference<'a, T, A>where A: RefUnwindSafe, T: RefUnwindSafe,

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impl<'a, T, A> UnwindSafe for sgx_tstd::collections::btree_set::Intersection<'a, T, A>where A: RefUnwindSafe, T: RefUnwindSafe,

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impl<'a, T, A> UnwindSafe for sgx_tstd::collections::linked_list::Cursor<'a, T, A>where A: RefUnwindSafe, T: RefUnwindSafe,

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impl<'a, T, A> UnwindSafe for sgx_tstd::collections::vec_deque::Drain<'a, T, A>where A: RefUnwindSafe, T: RefUnwindSafe,

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impl<'a, T, A> UnwindSafe for sgx_tstd::vec::Drain<'a, T, A>where A: RefUnwindSafe, T: RefUnwindSafe,

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impl<'a, T, F, A = Global> !UnwindSafe for sgx_tstd::collections::btree_set::ExtractIf<'a, T, F, A>

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impl<'a, T, F, A = Global> !UnwindSafe for sgx_tstd::collections::linked_list::ExtractIf<'a, T, F, A>

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impl<'a, T, F, A = Global> !UnwindSafe for sgx_tstd::vec::ExtractIf<'a, T, F, A>

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impl<'a, T, P> !UnwindSafe for GroupByMut<'a, T, P>

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impl<'a, T, P> !UnwindSafe for RSplitMut<'a, T, P>

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impl<'a, T, P> !UnwindSafe for RSplitNMut<'a, T, P>

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impl<'a, T, P> !UnwindSafe for SplitInclusiveMut<'a, T, P>

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impl<'a, T, P> !UnwindSafe for SplitMut<'a, T, P>

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impl<'a, T, P> !UnwindSafe for SplitNMut<'a, T, P>

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impl<'a, T, P> UnwindSafe for GroupBy<'a, T, P>where P: UnwindSafe, T: RefUnwindSafe,

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impl<'a, T, P> UnwindSafe for sgx_tstd::slice::RSplit<'a, T, P>where P: UnwindSafe, T: RefUnwindSafe,

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impl<'a, T, P> UnwindSafe for sgx_tstd::slice::RSplitN<'a, T, P>where P: UnwindSafe, T: RefUnwindSafe,

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impl<'a, T, P> UnwindSafe for sgx_tstd::slice::Split<'a, T, P>where P: UnwindSafe, T: RefUnwindSafe,

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impl<'a, T, P> UnwindSafe for sgx_tstd::slice::SplitInclusive<'a, T, P>where P: UnwindSafe, T: RefUnwindSafe,

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impl<'a, T, P> UnwindSafe for sgx_tstd::slice::SplitN<'a, T, P>where P: UnwindSafe, T: RefUnwindSafe,

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impl<'a, T, S> UnwindSafe for sgx_tstd::collections::hash_set::Difference<'a, T, S>where S: RefUnwindSafe, T: RefUnwindSafe,

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impl<'a, T, S> UnwindSafe for sgx_tstd::collections::hash_set::Intersection<'a, T, S>where S: RefUnwindSafe, T: RefUnwindSafe,

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impl<'a, T, S> UnwindSafe for sgx_tstd::collections::hash_set::SymmetricDifference<'a, T, S>where S: RefUnwindSafe, T: RefUnwindSafe,

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impl<'a, T, S> UnwindSafe for sgx_tstd::collections::hash_set::Union<'a, T, S>where S: RefUnwindSafe, T: RefUnwindSafe,

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impl<'a, T, const N: usize> !UnwindSafe for ArrayChunksMut<'a, T, N>

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impl<'a, T, const N: usize> UnwindSafe for sgx_tstd::slice::ArrayChunks<'a, T, N>where T: RefUnwindSafe,

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impl<'a, T, const N: usize> UnwindSafe for ArrayWindows<'a, T, N>where T: RefUnwindSafe,

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impl<'a, T: ?Sized> UnwindSafe for MutexGuard<'a, T>

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impl<'a, T: ?Sized> UnwindSafe for RwLockReadGuard<'a, T>where T: RefUnwindSafe,

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impl<'a, T: ?Sized> UnwindSafe for RwLockWriteGuard<'a, T>

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impl<'a, const N: usize> UnwindSafe for CharArraySearcher<'a, N>

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impl<'b, T> !UnwindSafe for Ref<'b, T>

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impl<'b, T> !UnwindSafe for RefMut<'b, T>

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impl<'data> !UnwindSafe for BorrowedBuf<'data>

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impl<'f> !UnwindSafe for VaListImpl<'f>

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impl<'fd> UnwindSafe for BorrowedFd<'fd>

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impl<A> UnwindSafe for sgx_tstd::iter::Repeat<A>where A: UnwindSafe,

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impl<A> UnwindSafe for sgx_tstd::option::IntoIter<A>where A: UnwindSafe,

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impl<A, B> UnwindSafe for sgx_tstd::iter::Chain<A, B>where A: UnwindSafe, B: UnwindSafe,

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impl<A, B> UnwindSafe for Zip<A, B>where A: UnwindSafe, B: UnwindSafe,

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impl<B> UnwindSafe for sgx_tstd::io::Lines<B>where B: UnwindSafe,

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impl<B> UnwindSafe for sgx_tstd::io::Split<B>where B: UnwindSafe,

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impl<B, C> UnwindSafe for ControlFlow<B, C>where B: UnwindSafe, C: UnwindSafe,

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impl<Dyn> !UnwindSafe for DynMetadata<Dyn>

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impl<E> UnwindSafe for Report<E>where E: UnwindSafe,

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impl<F> UnwindSafe for FormatterFn<F>where F: UnwindSafe,

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impl<F> UnwindSafe for PollFn<F>where F: UnwindSafe,

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impl<F> UnwindSafe for FromFn<F>where F: UnwindSafe,

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impl<F> UnwindSafe for OnceWith<F>where F: UnwindSafe,

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impl<F> UnwindSafe for RepeatWith<F>where F: UnwindSafe,

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impl<H> UnwindSafe for BuildHasherDefault<H>

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impl<I> UnwindSafe for FromIter<I>where I: UnwindSafe,

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impl<I> UnwindSafe for DecodeUtf16<I>where I: UnwindSafe,

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impl<I> UnwindSafe for Cloned<I>where I: UnwindSafe,

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impl<I> UnwindSafe for Copied<I>where I: UnwindSafe,

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impl<I> UnwindSafe for Cycle<I>where I: UnwindSafe,

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impl<I> UnwindSafe for Enumerate<I>where I: UnwindSafe,

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impl<I> UnwindSafe for Flatten<I>where I: UnwindSafe, <<I as Iterator>::Item as IntoIterator>::IntoIter: UnwindSafe,

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impl<I> UnwindSafe for Fuse<I>where I: UnwindSafe,

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impl<I> UnwindSafe for Intersperse<I>where I: UnwindSafe, <I as Iterator>::Item: UnwindSafe,

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impl<I> UnwindSafe for Peekable<I>where I: UnwindSafe, <I as Iterator>::Item: UnwindSafe,

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impl<I> UnwindSafe for Skip<I>where I: UnwindSafe,

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impl<I> UnwindSafe for StepBy<I>where I: UnwindSafe,

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impl<I> UnwindSafe for sgx_tstd::iter::Take<I>where I: UnwindSafe,

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impl<I, F> UnwindSafe for FilterMap<I, F>where F: UnwindSafe, I: UnwindSafe,

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impl<I, F> UnwindSafe for Inspect<I, F>where F: UnwindSafe, I: UnwindSafe,

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impl<I, F> UnwindSafe for Map<I, F>where F: UnwindSafe, I: UnwindSafe,

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impl<I, F, const N: usize> UnwindSafe for MapWindows<I, F, N>where F: UnwindSafe, I: UnwindSafe, <I as Iterator>::Item: UnwindSafe,

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impl<I, G> UnwindSafe for IntersperseWith<I, G>where G: UnwindSafe, I: UnwindSafe, <I as Iterator>::Item: UnwindSafe,

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impl<I, P> UnwindSafe for Filter<I, P>where I: UnwindSafe, P: UnwindSafe,

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impl<I, P> UnwindSafe for MapWhile<I, P>where I: UnwindSafe, P: UnwindSafe,

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impl<I, P> UnwindSafe for SkipWhile<I, P>where I: UnwindSafe, P: UnwindSafe,

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impl<I, P> UnwindSafe for TakeWhile<I, P>where I: UnwindSafe, P: UnwindSafe,

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impl<I, St, F> UnwindSafe for Scan<I, St, F>where F: UnwindSafe, I: UnwindSafe, St: UnwindSafe,

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impl<I, U, F> UnwindSafe for FlatMap<I, U, F>where F: UnwindSafe, I: UnwindSafe, <U as IntoIterator>::IntoIter: UnwindSafe,

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impl<I, const N: usize> UnwindSafe for sgx_tstd::iter::ArrayChunks<I, N>where I: UnwindSafe, <I as Iterator>::Item: UnwindSafe,

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impl<Idx> UnwindSafe for sgx_tstd::ops::Range<Idx>where Idx: UnwindSafe,

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impl<Idx> UnwindSafe for RangeFrom<Idx>where Idx: UnwindSafe,

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impl<Idx> UnwindSafe for RangeInclusive<Idx>where Idx: UnwindSafe,

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impl<Idx> UnwindSafe for RangeTo<Idx>where Idx: UnwindSafe,

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impl<Idx> UnwindSafe for RangeToInclusive<Idx>where Idx: UnwindSafe,

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impl<K> UnwindSafe for sgx_tstd::collections::hash_set::IntoIter<K>where K: UnwindSafe + RefUnwindSafe,

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impl<K, V> UnwindSafe for sgx_tstd::collections::hash_map::IntoIter<K, V>where K: UnwindSafe + RefUnwindSafe, V: UnwindSafe + RefUnwindSafe,

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impl<K, V> UnwindSafe for sgx_tstd::collections::hash_map::IntoKeys<K, V>where K: UnwindSafe + RefUnwindSafe, V: UnwindSafe + RefUnwindSafe,

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impl<K, V> UnwindSafe for sgx_tstd::collections::hash_map::IntoValues<K, V>where K: UnwindSafe + RefUnwindSafe, V: UnwindSafe + RefUnwindSafe,

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impl<K, V, A> UnwindSafe for sgx_tstd::collections::btree_map::IntoIter<K, V, A>where A: UnwindSafe, K: RefUnwindSafe, V: RefUnwindSafe,

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impl<K, V, A> UnwindSafe for sgx_tstd::collections::btree_map::IntoKeys<K, V, A>where A: UnwindSafe, K: RefUnwindSafe, V: RefUnwindSafe,

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impl<K, V, A> UnwindSafe for sgx_tstd::collections::btree_map::IntoValues<K, V, A>where A: UnwindSafe, K: RefUnwindSafe, V: RefUnwindSafe,

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impl<P> UnwindSafe for Pin<P>where P: UnwindSafe,

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impl<R> UnwindSafe for sgx_tstd::io::Bytes<R>where R: UnwindSafe,

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impl<R: ?Sized> UnwindSafe for BufReader<R>where R: UnwindSafe,

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impl<T> !UnwindSafe for UniqueRc<T>

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impl<T> UnwindSafe for Bound<T>where T: UnwindSafe,

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impl<T> UnwindSafe for Option<T>where T: UnwindSafe,

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impl<T> UnwindSafe for TryLockError<T>where T: UnwindSafe,

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impl<T> UnwindSafe for Poll<T>where T: UnwindSafe,

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impl<T> UnwindSafe for OnceCell<T>where T: UnwindSafe,

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impl<T> UnwindSafe for Reverse<T>where T: UnwindSafe,

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impl<T> UnwindSafe for Pending<T>

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impl<T> UnwindSafe for Ready<T>where T: UnwindSafe,

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impl<T> UnwindSafe for sgx_tstd::io::Cursor<T>where T: UnwindSafe,

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impl<T> UnwindSafe for sgx_tstd::io::Take<T>where T: UnwindSafe,

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impl<T> UnwindSafe for sgx_tstd::iter::Empty<T>

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impl<T> UnwindSafe for sgx_tstd::iter::Once<T>where T: UnwindSafe,

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impl<T> UnwindSafe for Rev<T>where T: UnwindSafe,

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impl<T> UnwindSafe for Discriminant<T>where <T as DiscriminantKind>::Discriminant: UnwindSafe,

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impl<T> UnwindSafe for Wrapping<T>where T: UnwindSafe,

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impl<T> UnwindSafe for Yeet<T>where T: UnwindSafe,

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impl<T> UnwindSafe for sgx_tstd::result::IntoIter<T>where T: UnwindSafe,

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impl<T> UnwindSafe for AtomicPtr<T>where T: RefUnwindSafe,

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impl<T> UnwindSafe for PoisonError<T>where T: UnwindSafe,

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impl<T> UnwindSafe for LocalKey<T>

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impl<T> UnwindSafe for MaybeUninit<T>where T: UnwindSafe,

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impl<T, A = Global> !UnwindSafe for sgx_tstd::rc::Weak<T, A>

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impl<T, A> UnwindSafe for sgx_tstd::collections::binary_heap::IntoIter<T, A>where A: UnwindSafe, T: UnwindSafe + RefUnwindSafe,

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impl<T, A> UnwindSafe for IntoIterSorted<T, A>where A: UnwindSafe, T: UnwindSafe,

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impl<T, A> UnwindSafe for sgx_tstd::collections::btree_set::IntoIter<T, A>where A: UnwindSafe, T: RefUnwindSafe,

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impl<T, A> UnwindSafe for sgx_tstd::collections::linked_list::IntoIter<T, A>where A: UnwindSafe, T: UnwindSafe + RefUnwindSafe,

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impl<T, A> UnwindSafe for BTreeSet<T, A>where A: UnwindSafe, T: RefUnwindSafe,

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impl<T, A> UnwindSafe for BinaryHeap<T, A>where A: UnwindSafe, T: UnwindSafe,

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impl<T, A> UnwindSafe for LinkedList<T, A>where A: UnwindSafe, T: UnwindSafe + RefUnwindSafe,

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impl<T, A> UnwindSafe for VecDeque<T, A>where A: UnwindSafe, T: UnwindSafe,

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impl<T, A> UnwindSafe for sgx_tstd::collections::vec_deque::IntoIter<T, A>where A: UnwindSafe, T: UnwindSafe,

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impl<T, A> UnwindSafe for sgx_tstd::vec::IntoIter<T, A>where A: UnwindSafe, T: UnwindSafe + RefUnwindSafe,

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impl<T, A> UnwindSafe for Vec<T, A>where A: UnwindSafe, T: UnwindSafe,

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impl<T, E> UnwindSafe for Result<T, E>where E: UnwindSafe, T: UnwindSafe,

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impl<T, F> UnwindSafe for LazyCell<T, F>where F: UnwindSafe, T: UnwindSafe,

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impl<T, F> UnwindSafe for Successors<T, F>where F: UnwindSafe, T: UnwindSafe,

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impl<T, S> UnwindSafe for HashSet<T, S>where S: UnwindSafe, T: UnwindSafe,

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impl<T, U> UnwindSafe for sgx_tstd::io::Chain<T, U>where T: UnwindSafe, U: UnwindSafe,

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impl<T, const N: usize> UnwindSafe for sgx_tstd::array::IntoIter<T, N>where T: UnwindSafe,

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impl<T: ?Sized> UnwindSafe for ThinBox<T>where T: UnwindSafe,

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impl<T: ?Sized> UnwindSafe for Cell<T>where T: UnwindSafe,

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impl<T: ?Sized> UnwindSafe for RefCell<T>where T: UnwindSafe,

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impl<T: ?Sized> UnwindSafe for SyncUnsafeCell<T>where T: UnwindSafe,

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impl<T: ?Sized> UnwindSafe for UnsafeCell<T>where T: UnwindSafe,

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impl<T: ?Sized> UnwindSafe for PhantomData<T>where T: UnwindSafe,

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impl<T: ?Sized> UnwindSafe for ManuallyDrop<T>where T: UnwindSafe,

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impl<T: ?Sized> UnwindSafe for Exclusive<T>where T: UnwindSafe,

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impl<T: ?Sized, A> UnwindSafe for Box<T, A>where A: UnwindSafe, T: UnwindSafe,

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impl<T: ?Sized, A> UnwindSafe for sgx_tstd::sync::Weak<T, A>where A: UnwindSafe, T: RefUnwindSafe,

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impl<W> !UnwindSafe for IntoInnerError<W>

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impl<W: ?Sized> UnwindSafe for BufWriter<W>where W: UnwindSafe,

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impl<W: ?Sized> UnwindSafe for LineWriter<W>where W: UnwindSafe,

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impl<Y, R> UnwindSafe for CoroutineState<Y, R>where R: UnwindSafe, Y: UnwindSafe,