Struct WireOptionalGuest 

pub struct WireOptionalGuest { /* private fields */ }

An optional Zircon Guest.

Implementations

impl WireOptionalGuest

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

Encodes a Guest as present in an output.

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

Encodes a Guest as absent in an output.

pub fn is_some(&self) -> bool

Returns whether a Guest is present.

pub fn is_none(&self) -> bool

Returns whether a Guest is absent.

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

Returns the underlying zx_handle_t, if any.

Trait Implementations

impl Debug for WireOptionalGuest

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

Formats the value using the given formatter.

impl<D> Decode<D> for WireOptionalGuest

where D: HandleDecoder + ?Sized,

fn decode( slot: Slot<'_, WireOptionalGuest>, decoder: &mut D, constraint: <WireOptionalGuest as Constrained>::Constraint, ) -> Result<(), DecodeError>

Decodes a value into a slot using a decoder.

impl<E> EncodeOption<WireOptionalGuest, E> for Guest

where E: HandleEncoder + ?Sized,

fn encode_option( this: Option<Guest>, encoder: &mut E, out: &mut MaybeUninit<WireOptionalGuest>, constraint: (), ) -> Result<(), EncodeError>

Encodes this optional value into an encoder and output.

impl FromWireOption<WireOptionalGuest> for Guest

fn from_wire_option(wire: WireOptionalGuest) -> Option<Guest>

Converts the given wire to an option of this type.

impl IntoNatural for WireOptionalGuest

type Natural = Option<Guest>

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 WireOptionalGuest

type Owned<'de> = WireOptionalGuest

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

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

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

impl Unconstrained for WireOptionalGuest