Struct redb::ReadOnlyTable

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

Expand description

A read-only table

Trait Implementations

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

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fn get(
&self,
key: &K
) -> Result<Option<<<V as RedbValue>::View as WithLifetime<'_>>::Out>, Error>

Returns the value corresponding to the given key

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fn range<'a, T: RangeBounds<KR>, KR: Borrow<K> + 'a>(
&'a self,
range: T
) -> Result<RangeIter<'_, K, V>, Error>

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

Auto Trait Implementations

impl<'txn, K: ?Sized, V: ?Sized> RefUnwindSafe for ReadOnlyTable<'txn, K, V> where
K: RefUnwindSafe,
V: RefUnwindSafe,

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

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

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

impl<'txn, K: ?Sized, V: ?Sized> UnwindSafe for ReadOnlyTable<'txn, K, V> where
K: UnwindSafe,
V: UnwindSafe,

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,

const: unstable · source

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,

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

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>::Error>

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

Struct redb::ReadOnlyTable

Trait Implementations

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

fn get(
&self,
key: &K
) -> Result<Option<<<V as RedbValue>::View as WithLifetime<'_>>::Out>, Error>

fn range<'a, T: RangeBounds<KR>, KR: Borrow<K> + 'a>(
&'a self,
range: T
) -> Result<RangeIter<'_, K, V>, Error>

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

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

Auto Trait Implementations

impl<'txn, K: ?Sized, V: ?Sized> RefUnwindSafe for ReadOnlyTable<'txn, K, V> where
K: RefUnwindSafe,
V: RefUnwindSafe,

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

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

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

impl<'txn, K: ?Sized, V: ?Sized> UnwindSafe for ReadOnlyTable<'txn, K, V> where
K: UnwindSafe,
V: UnwindSafe,

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

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

type Error = Infallible

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

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

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

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

Struct redb::ReadOnlyTable

Trait Implementations

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

fn get( &self, key: &K) -> Result<Option<<<V as RedbValue>::View as WithLifetime<'_>>::Out>, Error>

fn range<'a, T: RangeBounds<KR>, KR: Borrow<K> + 'a>( &'a self, range: T) -> Result<RangeIter<'_, K, V>, Error>

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

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

Auto Trait Implementations

impl<'txn, K: ?Sized, V: ?Sized> RefUnwindSafe for ReadOnlyTable<'txn, K, V> where K: RefUnwindSafe, V: RefUnwindSafe,

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

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

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

impl<'txn, K: ?Sized, V: ?Sized> UnwindSafe for ReadOnlyTable<'txn, K, V> where K: UnwindSafe, V: UnwindSafe,

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

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

type Error = Infallible

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

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

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

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

fn get(
&self,
key: &K
) -> Result<Option<<<V as RedbValue>::View as WithLifetime<'_>>::Out>, Error>

fn range<'a, T: RangeBounds<KR>, KR: Borrow<K> + 'a>(
&'a self,
range: T
) -> Result<RangeIter<'_, K, V>, Error>

impl<'txn, K: ?Sized, V: ?Sized> RefUnwindSafe for ReadOnlyTable<'txn, K, V> where
K: RefUnwindSafe,
V: RefUnwindSafe,

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

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

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

impl<'txn, K: ?Sized, V: ?Sized> UnwindSafe for ReadOnlyTable<'txn, K, V> where
K: UnwindSafe,
V: UnwindSafe,

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

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

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

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

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

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