wasmtime_wasi::preview1::types

Enum Errno

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pub enum Errno {
Show 77 variants Success, TooBig, Acces, Addrinuse, Addrnotavail, Afnosupport, Again, Already, Badf, Badmsg, Busy, Canceled, Child, Connaborted, Connrefused, Connreset, Deadlk, Destaddrreq, Dom, Dquot, Exist, Fault, Fbig, Hostunreach, Idrm, Ilseq, Inprogress, Intr, Inval, Io, Isconn, Isdir, Loop, Mfile, Mlink, Msgsize, Multihop, Nametoolong, Netdown, Netreset, Netunreach, Nfile, Nobufs, Nodev, Noent, Noexec, Nolck, Nolink, Nomem, Nomsg, Noprotoopt, Nospc, Nosys, Notconn, Notdir, Notempty, Notrecoverable, Notsock, Notsup, Notty, Nxio, Overflow, Ownerdead, Perm, Pipe, Proto, Protonosupport, Prototype, Range, Rofs, Spipe, Srch, Stale, Timedout, Txtbsy, Xdev, Notcapable,
}
Available on crate feature preview1 only.

Variants§

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Success

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TooBig

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Acces

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Addrinuse

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Addrnotavail

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Afnosupport

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Again

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Already

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Badf

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Badmsg

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Busy

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Canceled

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Child

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Connaborted

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Connrefused

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Connreset

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Deadlk

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Destaddrreq

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Dom

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Dquot

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Exist

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Fault

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Fbig

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Hostunreach

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Idrm

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Ilseq

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Inprogress

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Intr

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Inval

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Io

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Isconn

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Isdir

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Loop

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Mfile

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Msgsize

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Multihop

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Nametoolong

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Netdown

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Netreset

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Netunreach

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Nfile

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Nobufs

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Nodev

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Noent

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Noexec

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Nolck

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Nomem

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Nomsg

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Noprotoopt

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Nospc

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Nosys

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Notconn

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Notdir

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Notempty

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Notrecoverable

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Notsock

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Notsup

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Notty

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Nxio

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Overflow

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Ownerdead

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Perm

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Pipe

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Proto

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Protonosupport

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Prototype

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Range

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Rofs

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Spipe

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Srch

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Stale

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Timedout

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Txtbsy

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Xdev

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Notcapable

Trait Implementations§

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impl Clone for Errno

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fn clone(&self) -> Errno

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Errno

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Display for Errno

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Error for Errno

1.30.0 · source§

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any. Read more
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fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()
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fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting
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fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)
Provides type-based access to context intended for error reports. Read more
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impl From<Errno> for Errno

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fn from(e: Errno) -> Errno

Converts to this type from the input type.
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impl From<Errno> for Error

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fn from(abi: Errno) -> Error

Converts to this type from the input type.
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impl From<Errno> for u16

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fn from(v: Errno) -> u16

Converts to this type from the input type.
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impl From<ErrorCode> for Errno

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fn from(code: ErrorCode) -> Self

Converts to this type from the input type.
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impl GuestErrorType for Errno

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fn success() -> Self

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impl GuestType for Errno

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fn guest_size() -> u32

Returns the size, in bytes, of this type in the guest memory.
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fn guest_align() -> usize

Returns the required alignment of this type, in bytes, for both guest and host memory.
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fn read( mem: &GuestMemory<'_>, location: GuestPtr<Self>, ) -> Result<Self, GuestError>

Reads this value from the provided ptr. Read more
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fn write( mem: &mut GuestMemory<'_>, location: GuestPtr<Self>, val: Self, ) -> Result<(), GuestError>

Writes a value to ptr after verifying that ptr is indeed valid to store val. Read more
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impl PartialEq for Errno

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fn eq(&self, other: &Errno) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl TryFrom<i32> for Errno

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type Error = GuestError

The type returned in the event of a conversion error.
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fn try_from(value: i32) -> Result<Errno, GuestError>

Performs the conversion.
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impl TryFrom<u16> for Errno

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type Error = GuestError

The type returned in the event of a conversion error.
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fn try_from(value: u16) -> Result<Errno, GuestError>

Performs the conversion.
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impl Copy for Errno

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impl StructuralPartialEq for Errno

Auto Trait Implementations§

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impl Freeze for Errno

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impl RefUnwindSafe for Errno

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impl Send for Errno

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impl Sync for Errno

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impl Unpin for Errno

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impl UnwindSafe for Errno

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> GetSetFdFlags for T

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fn get_fd_flags(&self) -> Result<FdFlags, Error>
where T: AsFilelike,

Query the “status” flags for the self file descriptor.
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fn new_set_fd_flags(&self, fd_flags: FdFlags) -> Result<SetFdFlags<T>, Error>
where T: AsFilelike,

Create a new SetFdFlags value for use with set_fd_flags. Read more
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fn set_fd_flags(&mut self, set_fd_flags: SetFdFlags<T>) -> Result<(), Error>
where T: AsFilelike,

Set the “status” flags for the self file descriptor. Read more
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoAnyhow for T
where T: Into<Error>,

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fn into_anyhow(self) -> Error

Converts self into an anyhow::Error.
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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Pointee for T

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type Pointer = u32

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fn debug( pointer: <T as Pointee>::Pointer, f: &mut Formatter<'_>, ) -> Result<(), Error>

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more