Struct fidl_next::WireOptionalHandle

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pub struct WireOptionalHandle { /* private fields */ }
Expand description

An optional Zircon handle.

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impl WireOptionalHandle

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

Encodes a handle as present in a slot.

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

Encodes a handle as absent in a slot.

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pub fn is_some(&self) -> bool

Returns whether a handle is present.

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pub fn is_none(&self) -> bool

Returns whether a handle is absent.

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pub fn take(&mut self) -> Option<Handle>

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

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

Returns the underlying zx_handle_t, if any.

Trait Implementations§

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impl Debug for WireOptionalHandle

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

Formats the value using the given formatter. Read more
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impl TakeFrom<WireOptionalHandle> for Option<Handle>

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

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

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.