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Ref

Struct Ref 

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pub struct Ref<'a, T: ?Sized> { /* private fields */ }

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impl<'a> Ref<'a, [u8]>

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pub unsafe fn project<U: ?Sized>(self, ptr: *const U) -> Ref<'a, U>

Project a byte borrow into another typed view over the same underlying bytes. The new guard owns the same release mechanics . when the returned Ref<U> drops, the underlying account borrow is released exactly as if the original byte borrow had dropped.

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ptr must point inside the byte slice that this Ref<[u8]> guards (offset bounds checked by the caller), the pointee must be valid U for any bit pattern (U: Pod-style), and no alignment beyond the source slice’s may be assumed for U. The returned Ref<U> inherits the source guard’s lifetime, so the account stays read-borrowed for as long as the typed view lives.

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pub fn slice_from(self, offset: usize) -> Ref<'a, [u8]>

Narrow a shared byte-slice borrow to a tail starting at offset.

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pub fn slice( self, offset: usize, len: usize, ) -> Result<Ref<'a, [u8]>, ProgramError>

Narrow a shared byte-slice borrow to a checked sub-slice.

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pub fn as_bytes_ptr(&self) -> *const u8

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impl<T: ?Sized> Ref<'_, T>

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pub fn as_ptr(&self) -> *const T

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impl<T: ?Sized> Debug for Ref<'_, T>

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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<T: ?Sized> Deref for Ref<'_, T>

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type Target = T

The resulting type after dereferencing.
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fn deref(&self) -> &T

Dereferences the value.
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impl<T: ?Sized> HopperRefOnly for Ref<'_, T>

Auto Trait Implementations§

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impl<'a, T> Freeze for Ref<'a, T>
where T: ?Sized,

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impl<'a, T> RefUnwindSafe for Ref<'a, T>
where T: RefUnwindSafe + ?Sized,

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impl<'a, T> !Send for Ref<'a, T>

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impl<'a, T> !Sync for Ref<'a, T>

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impl<'a, T> Unpin for Ref<'a, T>
where T: ?Sized,

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impl<'a, T> UnsafeUnpin for Ref<'a, T>
where T: ?Sized,

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impl<'a, T> UnwindSafe for Ref<'a, T>
where T: RefUnwindSafe + ?Sized,

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<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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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.