pub(super) enum TransitionError {
    ChildAccessForbidden(Permission),
    ProtectedDisabled(Permission),
    ProtectedDealloc,
}

Variants§

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ChildAccessForbidden(Permission)

This access is not allowed because some parent tag has insufficient permissions. For example, if a tag is Frozen and encounters a child write this will produce a ChildAccessForbidden(Frozen). This kind of error can only occur on child accesses.

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ProtectedDisabled(Permission)

A protector was triggered due to an invalid transition that loses too much permissions. For example, if a protected tag goes from Active to Disabled due to a foreign write this will produce a ProtectedDisabled(Active). This kind of error can only occur on foreign accesses.

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ProtectedDealloc

Cannot deallocate because some tag in the allocation is strongly protected. This kind of error can only occur on deallocations.

Trait Implementations§

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impl Clone for TransitionError

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fn clone(&self) -> TransitionError

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for TransitionError

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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 Copy for TransitionError

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Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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 Twhere 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> ToOwned for Twhere T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for Twhere 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 Twhere 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.
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impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

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fn vzip(self) -> V

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 2 bytes

Size for each variant:

  • ChildAccessForbidden: 1 byte
  • ProtectedDisabled: 1 byte
  • ProtectedDealloc: 0 bytes