[−][src]Struct unsafe_io::UnsafeHandle
A non-owning unsafe I/O handle.
On Posix-ish platforms this is just a RawFd
. On Windows it is a minimal
abstraction over RawHandle
and RawSocket
. Similar to Rust raw pointers,
it is considered safe to construct these, but unsafe to do any I/O with
them (effectively dereferencing them).
Note that this doesn't implement Into*
or From*
traits, as those imply
ownership transfers, and this type is non-owning.
Implementations
impl UnsafeHandle
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#[must_use]pub const unsafe fn as_readable(self) -> UnsafeReadableⓘNotable traits for UnsafeReadable
impl Read for UnsafeReadable
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Notable traits for UnsafeReadable
impl Read for UnsafeReadable
Obtain self
with a type that implements Read
.
Safety
The resulting value must not outlive the underlying resource.
#[must_use]pub const unsafe fn as_writeable(self) -> UnsafeWriteableⓘNotable traits for UnsafeWriteable
impl Write for UnsafeWriteable
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Notable traits for UnsafeWriteable
impl Write for UnsafeWriteable
Obtain self
with a type that implements Write
.
Safety
The resulting value must not outlive the underlying resource.
#[must_use]pub unsafe fn eq(self, other: Self) -> bool
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UnsafeHandle
doesn't implement Eq
or PartialEq
because comparison
is undefined for dangling handles.
Safety
Both self
and other
must outlive their underlying resources.
#[must_use]pub const fn from_raw_fd(raw_fd: RawFd) -> Self
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Like FromRawFd::from_raw_fd
, but isn't unsafe because it doesn't
imply a dereference.
Trait Implementations
impl AsRawFd for UnsafeHandle
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impl Clone for UnsafeHandle
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pub fn clone(&self) -> UnsafeHandle
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pub fn clone_from(&mut self, source: &Self)
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impl Copy for UnsafeHandle
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impl Debug for UnsafeHandle
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Auto Trait Implementations
impl RefUnwindSafe for UnsafeHandle
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impl Send for UnsafeHandle
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impl Sync for UnsafeHandle
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impl Unpin for UnsafeHandle
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impl UnwindSafe for UnsafeHandle
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Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,