Struct WireOptionalHandle

pub struct WireOptionalHandle { /* private fields */ }

An optional Zircon handle.

Implementations

impl WireOptionalHandle

pub fn set_encoded_present(slot: Slot<'_, Self>)

Encodes a handle as present in a slot.

pub fn set_encoded_absent(slot: Slot<'_, Self>)

Encodes a handle as absent in a slot.

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(&mut self) -> Option<Handle>

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

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 TakeFrom<WireOptionalHandle> for Option<Handle>

fn take_from(from: &mut WireOptionalHandle) -> Self

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