Struct redb::ReadOnlyTable

pub struct ReadOnlyTable<'txn, K: RedbKey + ?Sized, V: RedbValue + ?Sized> { /* private fields */ }

A read-only table

Trait Implementations

impl<'txn, K: RedbKey + ?Sized, V: RedbValue + ?Sized> ReadableTable<K, V> for ReadOnlyTable<'txn, K, V>

fn get<'a, 'b: 'a, AK>(
    &self,
    key: &'a AK
) -> Result<Option<AccessGuard<'_, V>>, Error>where
    K: 'b,
    AK: Borrow<K::RefBaseType<'b>> + ?Sized,

Returns the value corresponding to the given key

fn range<'a, KR>(
    &'a self,
    range: impl RangeBounds<KR> + 'a
) -> Result<RangeIter<'a, K, V>, Error>where
    K: 'a,
    KR: Borrow<K::RefBaseType<'a>> + ?Sized + 'a,

Returns a double-ended iterator over a range of elements in the table

fn len(&self) -> Result<usize, Error>

Returns the number of entries in the table

fn is_empty(&self) -> Result<bool, Error>

Returns true if the table is empty

fn iter(&self) -> Result<RangeIter<'_, K, V>, Error>

Returns a double-ended iterator over all elements in the table