Enum dync::VTableRef

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pub enum VTableRef<'a, V>
where V: ?Sized,
{ Ref(&'a V), Box(Box<V>), }
Expand description

A VTable reference type.

Note we always need Drop because it’s possible to clone ValueRef’s contents, which need to know how to drop themselves.

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Ref(&'a V)

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Box(Box<V>)

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impl<'a, V: Clone + ?Sized> VTableRef<'a, V>

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pub fn take(self) -> V

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pub fn into_owned(self) -> Ptr<V>

Trait Implementations§

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impl<'a, V: ?Sized> AsRef<V> for VTableRef<'a, V>

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fn as_ref(&self) -> &V

Converts this type into a shared reference of the (usually inferred) input type.
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impl<'a, V> Clone for VTableRef<'a, V>
where V: ?Sized + Clone,

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fn clone(&self) -> VTableRef<'a, V>

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<'a, V> Debug for VTableRef<'a, V>
where V: ?Sized + Debug,

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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<'a, V: ?Sized> Deref for VTableRef<'a, V>

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type Target = V

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.
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impl<'a, V: ?Sized> From<&'a V> for VTableRef<'a, V>

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fn from(v: &'a V) -> VTableRef<'a, V>

Converts to this type from the input type.
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impl<'a, V: ?Sized> From<Box<V>> for VTableRef<'a, V>

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fn from(v: Box<V>) -> VTableRef<'a, V>

Converts to this type from the input type.
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impl<'a, V> PartialEq for VTableRef<'a, V>
where V: ?Sized + PartialEq,

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fn eq(&self, other: &VTableRef<'a, V>) -> bool

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<'a, V> StructuralPartialEq for VTableRef<'a, V>
where V: ?Sized,

Auto Trait Implementations§

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impl<'a, V: ?Sized> RefUnwindSafe for VTableRef<'a, V>
where V: RefUnwindSafe,

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impl<'a, V: ?Sized> Send for VTableRef<'a, V>
where V: Send + Sync,

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impl<'a, V: ?Sized> Sync for VTableRef<'a, V>
where V: Sync,

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impl<'a, V: ?Sized> Unpin for VTableRef<'a, V>

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impl<'a, V: ?Sized> UnwindSafe for VTableRef<'a, V>

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> CloneBytes for T
where T: Clone + 'static,

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unsafe fn clone_bytes(src: &[MaybeUninit<u8>]) -> Box<[MaybeUninit<u8>]>

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unsafe fn clone_from_bytes(dst: &mut [MaybeUninit<u8>], src: &[MaybeUninit<u8>])

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unsafe fn clone_into_raw_bytes( src: &[MaybeUninit<u8>], dst: &mut [MaybeUninit<u8>] )

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impl<T> DebugBytes for T
where T: Debug + 'static,

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unsafe fn fmt_bytes( bytes: &[MaybeUninit<u8>], f: &mut Formatter<'_> ) -> Result<(), Error>

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impl<T> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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impl<T> DowncastSync for T
where T: Any + Send + Sync,

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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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impl<T> DropBytes for T
where T: 'static,

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unsafe fn drop_bytes(bytes: &mut [MaybeUninit<u8>])

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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, 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> PartialEqBytes for T
where T: PartialEq + 'static,

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unsafe fn eq_bytes(a: &[MaybeUninit<u8>], b: &[MaybeUninit<u8>]) -> bool

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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, 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<T> Elem for T
where T: Any + DropBytes,