Struct redb::ReadOnlyTable

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

A read-only table

Trait Implementations§

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

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fn get<'a>(
&self,
key: impl Borrow<K::SelfType<'a>>
) -> Result<Option<AccessGuard<'_, V>>, Error>where
K: 'a,

Returns the value corresponding to the given key
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fn range<'a: 'b, 'b, KR>(
&'a self,
range: impl RangeBounds<KR> + 'b
) -> Result<RangeIter<'a, K, V>, Error>where
K: 'a,
KR: Borrow<K::SelfType<'b>> + 'b,

Returns a double-ended iterator over a range of elements in the table Read more
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fn len(&self) -> Result<usize, Error>

Returns the number of entries in the table
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fn is_empty(&self) -> Result<bool, Error>

Returns true if the table is empty
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fn iter(&self) -> Result<RangeIter<'_, K, V>, Error>

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

Auto Trait Implementations§

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impl<'txn, K, V> !RefUnwindSafe for ReadOnlyTable<'txn, K, V>

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impl<'txn, K, V> Send for ReadOnlyTable<'txn, K, V>where
K: Send,
V: Send,

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impl<'txn, K, V> Sync for ReadOnlyTable<'txn, K, V>where
K: Sync,
V: Sync,

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impl<'txn, K, V> Unpin for ReadOnlyTable<'txn, K, V>where
K: Unpin,
V: Unpin,

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impl<'txn, K, V> !UnwindSafe for ReadOnlyTable<'txn, K, V>

Blanket Implementations§

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impl<T> Any for Twhere
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 Twhere
T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere
T: ?Sized,

const: unstable · source§

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

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · 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.

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

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type Error = Infallible

The type returned in the event of a conversion error.
const: unstable · source§

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 Twhere
U: TryFrom<T>,

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

The type returned in the event of a conversion error.
const: unstable · source§

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

Performs the conversion.