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ExternalLens

hopper_runtime::foreign

Struct ExternalLens 

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pub struct ExternalLens<'a, V: ExternalLensValue, const OFFSET: usize> { /* private fields */ }
Expand description

Bounds-checked zero-copy byte lens into an external account.

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impl<'a, V: ExternalLensValue, const OFFSET: usize> ExternalLens<'a, V, OFFSET>

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pub fn as_bytes(&self) -> &[u8]

Borrow the checked byte range backing this lens.

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pub fn get(&self) -> V

Read the lens value by copy.

Auto Trait Implementations§

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impl<'a, V, const OFFSET: usize> !Send for ExternalLens<'a, V, OFFSET>

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impl<'a, V, const OFFSET: usize> !Sync for ExternalLens<'a, V, OFFSET>

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impl<'a, V, const OFFSET: usize> Freeze for ExternalLens<'a, V, OFFSET>
where PhantomData<V>: Freeze,

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impl<'a, V, const OFFSET: usize> RefUnwindSafe for ExternalLens<'a, V, OFFSET>
where PhantomData<V>: RefUnwindSafe,

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impl<'a, V, const OFFSET: usize> Unpin for ExternalLens<'a, V, OFFSET>
where PhantomData<V>: Unpin,

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impl<'a, V, const OFFSET: usize> UnsafeUnpin for ExternalLens<'a, V, OFFSET>
where PhantomData<V>: UnsafeUnpin,

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impl<'a, V, const OFFSET: usize> UnwindSafe for ExternalLens<'a, V, OFFSET>
where PhantomData<V>: 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 = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

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.