Struct garage_db::Tree

source ·
pub struct Tree(/* private fields */);

Implementations§

source§

impl Tree

source

pub fn db(&self) -> Db

source

pub fn get<T: AsRef<[u8]>>(&self, key: T) -> Result<Option<Value>>

source

pub fn len(&self) -> Result<usize>

source

pub fn first(&self) -> Result<Option<(Value, Value)>>

source

pub fn get_gt<T: AsRef<[u8]>>(&self, from: T) -> Result<Option<(Value, Value)>>

source

pub fn insert<T: AsRef<[u8]>, U: AsRef<[u8]>>( &self, key: T, value: U ) -> Result<Option<Value>>

Returns the old value if there was one

source

pub fn remove<T: AsRef<[u8]>>(&self, key: T) -> Result<Option<Value>>

Returns the old value if there was one

source

pub fn clear(&self) -> Result<()>

Clears all values from the tree

source

pub fn iter(&self) -> Result<ValueIter<'_>>

source

pub fn iter_rev(&self) -> Result<ValueIter<'_>>

source

pub fn range<K, R>(&self, range: R) -> Result<ValueIter<'_>>
where K: AsRef<[u8]>, R: RangeBounds<K>,

source

pub fn range_rev<K, R>(&self, range: R) -> Result<ValueIter<'_>>
where K: AsRef<[u8]>, R: RangeBounds<K>,

Trait Implementations§

source§

impl Clone for Tree

source§

fn clone(&self) -> Tree

Returns a copy of the value. Read more
1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

Auto Trait Implementations§

§

impl Freeze for Tree

§

impl !RefUnwindSafe for Tree

§

impl Send for Tree

§

impl Sync for Tree

§

impl Unpin for Tree

§

impl !UnwindSafe for Tree

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> Instrument for T

source§

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
source§

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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> ToOwned for T
where T: Clone,

§

type Owned = T

The resulting type after obtaining ownership.
source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
source§

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

§

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>,

§

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.
source§

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

source§

fn vzip(self) -> V

source§

impl<T> WithSubscriber for T

source§

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
source§

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more