Struct WireOptionalHandle 

pub struct WireOptionalHandle { /* private fields */ }

An optional Zircon handle.

Implementations

impl WireOptionalHandle

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

Encodes a handle as present in a slot.

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

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 as_raw_handle(&self) -> Option<zx_handle_t>

Returns the underlying [zx_handle_t], if any.

Trait Implementations

impl Debug for WireOptionalHandle

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

Formats the value using the given formatter.

impl<D: HandleDecoder + ?Sized> Decode<D> for WireOptionalHandle

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

Decodes a value into a slot using a decoder.

impl<E: HandleEncoder + ?Sized> EncodeOption<WireOptionalHandle, E> for Handle

fn encode_option( this: Option<Self>, encoder: &mut E, out: &mut MaybeUninit<WireOptionalHandle>, _constraint: (), ) -> Result<(), EncodeError>

Encodes this optional value into an encoder and output.

impl FromWireOption<WireOptionalHandle> for Handle

fn from_wire_option(wire: WireOptionalHandle) -> Option<Self>

Converts the given wire to an option of this type.

impl IntoNatural for WireOptionalHandle

type Natural = Option<Handle>

A good default type for this wire type to convert into.

fn into_natural(self) -> Self::Natural

Converts this type into its natural equivalent.

impl Wire for WireOptionalHandle

type Owned<'de> = WireOptionalHandle

The owned wire type, restricted to the 'de lifetime.

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

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

impl Unconstrained for WireOptionalHandle