Struct WireOptionalChannel

pub struct WireOptionalChannel { /* private fields */ }

An optional Zircon channel.

Implementations

impl WireOptionalChannel

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

Encodes a channel as present in an output.

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

Encodes a channel as absent in an output.

pub fn is_some(&self) -> bool

Returns whether a channel is present.

pub fn is_none(&self) -> bool

Returns whether a channel is absent.

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

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

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

Returns the underlying zx_handle_t, if any.

Trait Implementations

impl Debug for WireOptionalChannel

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

Formats the value using the given formatter.

impl<D> Decode<D> for WireOptionalChannel

where D: HandleDecoder + ?Sized,

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

Decodes a value into a slot using a decoder.

impl TakeFrom<WireOptionalChannel> for Option<Channel>

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

Converts from the given T, taking any resources that can’t be cloned.

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.

impl ZeroPadding for WireOptionalChannel

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

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