pub enum PodCastError {
    TargetAlignmentGreaterAndInputNotAligned,
    OutputSliceWouldHaveSlop,
    SizeMismatch,
    AlignmentMismatch,
}
Expand description

The things that can go wrong when casting between Pod data forms.

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TargetAlignmentGreaterAndInputNotAligned

You tried to cast a slice to an element type with a higher alignment requirement but the slice wasn’t aligned.

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OutputSliceWouldHaveSlop

If the element size changes then the output slice changes length accordingly. If the output slice wouldn’t be a whole number of elements then the conversion fails.

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SizeMismatch

When casting a slice you can’t convert between ZST elements and non-ZST elements. When casting an individual T, &T, or &mut T value the source size and destination size must be an exact match.

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AlignmentMismatch

For this type of cast the alignments must be exactly the same and they were not so now you’re sad.

This error is generated only by operations that cast allocated types (such as Box and Vec), because in that case the alignment must stay exact.

Trait Implementations§

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impl Clone for PodCastError

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fn clone(&self) -> PodCastError

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 PodCastError

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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 Display for PodCastError

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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 From<PodCastError> for CheckedCastError

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fn from(err: PodCastError) -> CheckedCastError

Converts to this type from the input type.
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impl Hash for PodCastError

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for PodCastError

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fn eq(&self, other: &PodCastError) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for PodCastError

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impl Eq for PodCastError

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impl StructuralEq for PodCastError

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impl StructuralPartialEq for PodCastError

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.