fidl_next::fuchsia

Struct WireOptionalHandle

pub struct WireOptionalHandle { /* private fields */ }
Expand description

An optional Zircon handle.

Implementations§

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impl WireOptionalHandle

pub fn set_encoded_present(out: &mut MaybeUninit<WireOptionalHandle>)

Encodes a handle as present in a slot.

pub fn set_encoded_absent(out: &mut MaybeUninit<WireOptionalHandle>)

Encodes a handle as absent in an output.

pub fn is_some(&self) -> bool

Returns whether a handle is present.

pub fn is_none(&self) -> bool

Returns whether a handle is absent.

pub fn take(&self) -> Option<Handle>

Takes the handle, if any, leaving an invalid handle in its place.

pub fn as_raw_handle(&self) -> Option<u32>

Returns the underlying zx_handle_t, if any.

Trait Implementations§

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impl Debug for WireOptionalHandle

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

Formats the value using the given formatter. Read more
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impl<D> Decode<D> for WireOptionalHandle
where D: HandleDecoder + ?Sized,

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fn decode( slot: Slot<'_, WireOptionalHandle>, decoder: &mut D, ) -> Result<(), DecodeError>

Decodes a value into a slot using a decoder. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Bti>

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fn take_from(from: &WireOptionalHandle) -> Option<Bti>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Channel>

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fn take_from(from: &WireOptionalHandle) -> Option<Channel>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Clock>

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fn take_from(from: &WireOptionalHandle) -> Option<Clock>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Event>

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fn take_from(from: &WireOptionalHandle) -> Option<Event>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<EventPair>

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fn take_from(from: &WireOptionalHandle) -> Option<EventPair>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Exception>

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fn take_from(from: &WireOptionalHandle) -> Option<Exception>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Fifo>

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fn take_from(from: &WireOptionalHandle) -> Option<Fifo>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Guest>

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fn take_from(from: &WireOptionalHandle) -> Option<Guest>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Handle>

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fn take_from(from: &WireOptionalHandle) -> Option<Handle>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Interrupt>

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fn take_from(from: &WireOptionalHandle) -> Option<Interrupt>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Iob>

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fn take_from(from: &WireOptionalHandle) -> Option<Iob>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Iommu>

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fn take_from(from: &WireOptionalHandle) -> Option<Iommu>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Job>

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fn take_from(from: &WireOptionalHandle) -> Option<Job>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Pager>

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fn take_from(from: &WireOptionalHandle) -> Option<Pager>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Pmt>

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fn take_from(from: &WireOptionalHandle) -> Option<Pmt>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Port>

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fn take_from(from: &WireOptionalHandle) -> Option<Port>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Process>

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fn take_from(from: &WireOptionalHandle) -> Option<Process>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Profile>

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fn take_from(from: &WireOptionalHandle) -> Option<Profile>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Resource>

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fn take_from(from: &WireOptionalHandle) -> Option<Resource>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Socket>

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fn take_from(from: &WireOptionalHandle) -> Option<Socket>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Stream>

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fn take_from(from: &WireOptionalHandle) -> Option<Stream>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Thread>

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fn take_from(from: &WireOptionalHandle) -> Option<Thread>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Timer>

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fn take_from(from: &WireOptionalHandle) -> Option<Timer>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Vcpu>

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fn take_from(from: &WireOptionalHandle) -> Option<Vcpu>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Vmar>

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fn take_from(from: &WireOptionalHandle) -> Option<Vmar>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Vmo>

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fn take_from(from: &WireOptionalHandle) -> Option<Vmo>

Converts from the given T, taking any resources that can’t be cloned.
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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly during conversion instead of calling take_from. Read more
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impl ZeroPadding for WireOptionalHandle

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fn zero_padding(out: &mut MaybeUninit<WireOptionalHandle>)

Writes zeroes to the padding for this type, if any.

Auto Trait Implementations§

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

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fn type_id(&self) -> TypeId

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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, D> Encode<Ambiguous1, D> for T
where D: ResourceDialect,

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unsafe fn encode( self, _encoder: &mut Encoder<'_, D>, _offset: usize, _depth: Depth, ) -> Result<(), Error>

Encodes the object into the encoder’s buffers. Any handles stored in the object are swapped for Handle::INVALID. Read more
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impl<T, D> Encode<Ambiguous2, D> for T
where D: ResourceDialect,

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unsafe fn encode( self, _encoder: &mut Encoder<'_, D>, _offset: usize, _depth: Depth, ) -> Result<(), Error>

Encodes the object into the encoder’s buffers. Any handles stored in the object are swapped for Handle::INVALID. 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, 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> 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, 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.