Skip to main content

IndexTreeWalker

wasm_dbms_memory::table_registry

Struct IndexTreeWalker 

Source 
pub struct IndexTreeWalker<K>
where
    K: Encode + Ord,
{ /* private fields */ }
Expand description

Stateful forward range-scan cursor over leaf entries.

Implementations§

Source§

impl<K> IndexTreeWalker<K>
where K: Encode + Ord,

Source

pub fn next( &mut self, mm: &mut impl MemoryAccess, ) -> MemoryResult<Option<RecordAddress>>

Returns the next pointer in the scan, or None when exhausted.

Source

pub fn peek_key(&self) -> Option<&K>

Peeks at the next key without advancing the cursor.

Auto Trait Implementations§

§

impl<K> Freeze for IndexTreeWalker<K>
where K: Freeze,

§

impl<K> RefUnwindSafe for IndexTreeWalker<K>
where K: RefUnwindSafe,

§

impl<K> Send for IndexTreeWalker<K>
where K: Send,

§

impl<K> Sync for IndexTreeWalker<K>
where K: Sync,

§

impl<K> Unpin for IndexTreeWalker<K>
where K: Unpin,

§

impl<K> UnsafeUnpin for IndexTreeWalker<K>
where K: UnsafeUnpin,

§

impl<K> UnwindSafe for IndexTreeWalker<K>
where K: UnwindSafe,

Blanket Implementations§

Source§

impl<T> Any for T
where T: 'static + ?Sized,

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T, U> Into<U> for T
where U: From<T>,

Source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.