Struct WireOptionalHandle

pub struct WireOptionalHandle { /* private fields */ }

An optional Zircon handle.

Implementations

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 as_raw_handle(&self) -> Option<u32>

Returns the underlying zx_handle_t, if any.

Trait Implementations

impl Debug for WireOptionalHandle

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

Formats the value using the given formatter.

impl<D> Decode<D> for WireOptionalHandle

where D: HandleDecoder + ?Sized,

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

Decodes a value into a slot using a decoder.

impl FromWireOption<WireOptionalHandle> for Handle

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

Converts the given wire to an option of this type.

impl Wire for WireOptionalHandle

type Decoded<'de> = WireOptionalHandle

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

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

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