Enum kas_core::theme::MaybeBoxed

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pub enum MaybeBoxed<'a, B: 'a + ?Sized> {
    Borrowed(&'a B),
    Boxed(Box<B>),
}

Expand description

An optionally-owning (boxed) reference

This is related but not identical to Cow.

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Borrowed(&'a B)

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Boxed(Box)

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impl<T: ?Sized> AsRef<T> for MaybeBoxed<'_, T>

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fn as_ref(&self) -> &T

Converts this type into a shared reference of the (usually inferred) input type.

Auto Trait Implementations§

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impl<'a, B: ?Sized> UnwindSafe for MaybeBoxed<'a, B>
where B: UnwindSafe + RefUnwindSafe,

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<S, T> Cast<T> for S
where T: Conv<S>,

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fn cast(self) -> T

Cast from Self to T Read more

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fn try_cast(self) -> Result<T, Error>

Try converting from Self to T Read more

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impl<S, T> CastApprox<T> for S
where T: ConvApprox<S>,

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fn try_cast_approx(self) -> Result<T, Error>

Try approximate conversion from Self to T Read more

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fn cast_approx(self) -> T

Cast approximately from Self to T Read more

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impl<S, T> CastFloat<T> for S
where T: ConvFloat<S>,

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fn cast_trunc(self) -> T

Cast to integer, truncating Read more

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fn cast_nearest(self) -> T

Cast to the nearest integer Read more

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fn cast_floor(self) -> T

Cast the floor to an integer Read more

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fn cast_ceil(self) -> T

Cast the ceiling to an integer Read more

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fn try_cast_trunc(self) -> Result<T, Error>

Try converting to integer with truncation Read more

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fn try_cast_nearest(self) -> Result<T, Error>

Try converting to the nearest integer Read more

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fn try_cast_floor(self) -> Result<T, Error>

Try converting the floor to an integer Read more

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fn try_cast_ceil(self) -> Result<T, Error>

Try convert the ceiling to an integer Read more

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impl<T> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.

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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.

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fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.

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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.

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impl<T> DowncastSync for T
where T: Any + Send + Sync,

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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.

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