Struct regex_automata::util::wire::AlignAs

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#[repr(C)]
pub struct AlignAs<B: ?Sized, T> { pub _align: [T; 0], pub bytes: B, }
Expand description

A hack to align a smaller type B with a bigger type T.

The usual use of this is with B = [u8] and T = u32. That is, it permits aligning a sequence of bytes on a 4-byte boundary. This is useful in contexts where one wants to embed a serialized dense DFA into a Rust a program while guaranteeing the alignment required for the DFA.

See dense::DFA::from_bytes for an example of how to use this type.

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§_align: [T; 0]

A zero-sized field indicating the alignment we want.

§bytes: B

A possibly non-sized field containing a sequence of bytes.

Trait Implementations§

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impl<B: Debug + ?Sized, T: Debug> Debug for AlignAs<B, 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<B, T> Freeze for AlignAs<B, T>
where B: Freeze + ?Sized, T: Freeze,

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impl<B, T> RefUnwindSafe for AlignAs<B, T>

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impl<B, T> Send for AlignAs<B, T>
where B: Send + ?Sized, T: Send,

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impl<B, T> Sync for AlignAs<B, T>
where B: Sync + ?Sized, T: Sync,

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impl<B, T> Unpin for AlignAs<B, T>
where B: Unpin + ?Sized, T: Unpin,

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

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.