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DowncastError

thin_cell::sync

Enum DowncastError 

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pub enum DowncastError<T: ?Sized> {
    Borrowed(ThinCell<T>),
    Type(ThinCell<T>),
}
Expand description

Error returned by ThinCell::downcast when downcasting fails.

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Borrowed(ThinCell<T>)

The ThinCell is currently borrowed.

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Type(ThinCell<T>)

The inner value is not of the target type.

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impl<T: ?Sized> DowncastError<T>

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pub fn into_inner(self) -> ThinCell<T>

Consumes the error and returns the original ThinCell<T>.

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impl<T: Debug + ?Sized> Debug for DowncastError<T>

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<T> Freeze for DowncastError<T>
where T: ?Sized,

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impl<T> !RefUnwindSafe for DowncastError<T>

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impl<T> Send for DowncastError<T>
where T: Send + Sync + ?Sized,

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impl<T> Sync for DowncastError<T>
where T: Send + Sync + ?Sized,

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impl<T> Unpin for DowncastError<T>
where T: ?Sized,

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impl<T> UnsafeUnpin for DowncastError<T>
where T: ?Sized,

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impl<T> UnwindSafe for DowncastError<T>
where T: UnwindSafe + ?Sized,

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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.