Struct parity_db::BTreeIterator

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pub struct BTreeIterator<'a> { /* private fields */ }

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impl<'a> BTreeIterator<'a>

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pub fn seek(&mut self, key: &[u8]) -> Result<()>

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pub fn seek_to_first(&mut self) -> Result<()>

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pub fn seek_to_last(&mut self) -> Result<()>

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pub fn next(&mut self) -> Result<Option<(Vec<u8>, Vec<u8>)>>

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pub fn prev(&mut self) -> Result<Option<(Vec<u8>, Vec<u8>)>>

Trait Implementations§

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impl<'a> Debug for BTreeIterator<'a>

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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<'a> Freeze for BTreeIterator<'a>

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impl<'a> !RefUnwindSafe for BTreeIterator<'a>

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impl<'a> Send for BTreeIterator<'a>

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impl<'a> Sync for BTreeIterator<'a>

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impl<'a> Unpin for BTreeIterator<'a>

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impl<'a> !UnwindSafe for BTreeIterator<'a>

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> Same for T

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type Output = T

Should always be Self
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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.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V