Struct tc_btree::BTreeSlice

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pub struct BTreeSlice<F, D, T> { /* private fields */ }

Expand description

A slice of a BTree

Implementations

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impl<F: File<Node>, D: Dir, T: Transaction<D>> BTreeSlice<F, D, T>

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pub fn new(
 source: BTree<F, D, T>,
 range: Range,
 reverse: bool
) -> TCResult<BTreeSlice<F, D, T>>

Trait Implementations

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impl<F: File<Node>, D: Dir, T: Transaction<D>> BTreeInstance for BTreeSlice<F, D, T> where
BTreeFile<F, D, T>: Clone + 'static,

type Slice = BTreeSlice<F, D, T>

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fn collator(&self) -> &ValueCollator

Borrow this BTree’s collator.

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fn schema(&self) -> &RowSchema

Borrow to this BTree’s schema.

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fn slice(self, range: Range, reverse: bool) -> TCResult<Self::Slice>

Return a slice of this BTree with the given range.

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fn is_empty<'life0, 'async_trait>(
 &'life0 self,
 txn_id: TxnId
) -> Pin<Box<dyn Future<Output = TCResult<bool>> + Send + 'async_trait>> where
 'life0: 'async_trait,
 Self: 'async_trait,

Return true if this BTree has no Keys.

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fn keys<'a, 'async_trait>(
 self,
 txn_id: TxnId
) -> Pin<Box<dyn Future<Output = TCResult<TCBoxTryStream<'a, Key>>> + Send + 'async_trait>> where
 'a: 'async_trait,
 Self: 'async_trait,

Return a Stream of this BTree’s Keys.

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fn validate_key(&self, key: Key) -> TCResult<Key>

Return an error if the given key does not match this BTree’s schema Read more

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fn count<'life0, 'async_trait>(
 &'life0 self,
 txn_id: TxnId
) -> Pin<Box<dyn Future<Output = TCResult<u64>> + Send + 'async_trait>> where
 'life0: 'async_trait,
 Self: Sync + 'async_trait,

Return the number of Keys in this BTree.

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impl<F: Clone, D: Clone, T: Clone> Clone for BTreeSlice<F, D, T>

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fn clone(&self) -> BTreeSlice<F, D, T>

Returns a copy of the value. Read more

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

Performs copy-assignment from source. Read more

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impl<F, D, T> From<BTreeSlice<F, D, T>> for BTree<F, D, T>

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fn from(btree: BTreeSlice<F, D, T>) -> Self

Converts to this type from the input type.

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impl<F, D, T> Instance for BTreeSlice<F, D, T> where
BTreeFile<F, D, T>: Send + Sync,

type Class = BTreeType

The Class type of this instance

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fn class(&self) -> Self::Class

Returns the [Class] of this instance.

Auto Trait Implementations

impl<F, D, T> !RefUnwindSafe for BTreeSlice<F, D, T>

impl<F, D, T> Send for BTreeSlice<F, D, T> where
 D: Send + Sync,
 F: Send + Sync,
 T: Send + Sync,

impl<F, D, T> Sync for BTreeSlice<F, D, T> where
 D: Send + Sync,
 F: Send + Sync,
 T: Send + Sync,

impl<F, D, T> Unpin for BTreeSlice<F, D, T>

impl<F, D, T> !UnwindSafe for BTreeSlice<F, D, T>

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<F, T> CastFrom<F> for T where
T: From<F>,

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fn cast_from(f: F) -> T

Cast an instance of T into an instance of Self.

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impl<T, F> CastInto<F> for T where
F: CastFrom<T>,

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fn cast_into(self) -> F

Cast an instance of Self into an instance of T.

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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<F> Match for F

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fn matches<T>(&self) -> bool where
T: TryCastFrom<Self>,

Returns true if self can be cast into the target type T.

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impl<T> Same<T> for T

type Output = T

Should always be Self

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

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

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

🔬 This is a nightly-only experimental API. (toowned_clone_into)

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

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impl<F, T> TryCastFrom<F> for T where
T: CastFrom<F>,

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fn can_cast_from(&F) -> bool

Test if value can be cast into Self.

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fn opt_cast_from(f: F) -> Option<T>

Returns Some(Self) if the source value can be cast into Self, otherwise None.

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fn try_cast_from<Err, OnErr>(value: T, on_err: OnErr) -> Result<Self, Err> where
OnErr: FnOnce(&T) -> Err,

Returns Ok(Self) if the source value can be cast into Self, otherwise calls on_err.

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impl<F, T> TryCastInto<T> for F where
T: TryCastFrom<F>,

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fn can_cast_into(&self) -> bool

Test if self can be cast into T.

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fn opt_cast_into(self) -> Option<T>

Returns Some(T) if self can be cast into T, otherwise None.

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fn try_cast_into<Err, OnErr>(self, on_err: OnErr) -> Result<T, Err> where
OnErr: FnOnce(&Self) -> Err,

Returns Ok(T) if self can be cast into T, otherwise calls on_err.

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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 tc_btree::BTreeSlice

Implementations

impl<F: File<Node>, D: Dir, T: Transaction<D>> BTreeSlice<F, D, T>

pub fn new( source: BTree<F, D, T>, range: Range, reverse: bool) -> TCResult<BTreeSlice<F, D, T>>

Trait Implementations

impl<F: File<Node>, D: Dir, T: Transaction<D>> BTreeInstance for BTreeSlice<F, D, T> where BTreeFile<F, D, T>: Clone + 'static,

type Slice = BTreeSlice<F, D, T>

fn collator(&self) -> &ValueCollator

fn schema(&self) -> &RowSchema

fn slice(self, range: Range, reverse: bool) -> TCResult<Self::Slice>

fn is_empty<'life0, 'async_trait>( &'life0 self, txn_id: TxnId) -> Pin<Box<dyn Future<Output = TCResult<bool>> + Send + 'async_trait>> where 'life0: 'async_trait, Self: 'async_trait,

fn keys<'a, 'async_trait>( self, txn_id: TxnId) -> Pin<Box<dyn Future<Output = TCResult<TCBoxTryStream<'a, Key>>> + Send + 'async_trait>> where 'a: 'async_trait, Self: 'async_trait,

fn validate_key(&self, key: Key) -> TCResult<Key>

fn count<'life0, 'async_trait>( &'life0 self, txn_id: TxnId) -> Pin<Box<dyn Future<Output = TCResult<u64>> + Send + 'async_trait>> where 'life0: 'async_trait, Self: Sync + 'async_trait,

impl<F: Clone, D: Clone, T: Clone> Clone for BTreeSlice<F, D, T>

fn clone(&self) -> BTreeSlice<F, D, T>

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

impl<F, D, T> From<BTreeSlice<F, D, T>> for BTree<F, D, T>

fn from(btree: BTreeSlice<F, D, T>) -> Self

impl<F, D, T> Instance for BTreeSlice<F, D, T> where BTreeFile<F, D, T>: Send + Sync,

type Class = BTreeType

fn class(&self) -> Self::Class

Auto Trait Implementations

impl<F, D, T> !RefUnwindSafe for BTreeSlice<F, D, T>

impl<F, D, T> Send for BTreeSlice<F, D, T> where D: Send + Sync, F: Send + Sync, T: Send + Sync,

impl<F, D, T> Sync for BTreeSlice<F, D, T> where D: Send + Sync, F: Send + Sync, T: Send + Sync,

impl<F, D, T> Unpin for BTreeSlice<F, D, T>

impl<F, D, T> !UnwindSafe for BTreeSlice<F, D, T>

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<F, T> CastFrom<F> for T where T: From<F>,

fn cast_from(f: F) -> T

impl<T, F> CastInto<F> for T where F: CastFrom<T>,

fn cast_into(self) -> F

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<F> Match for F

fn matches<T>(&self) -> bool where T: TryCastFrom<Self>,

impl<T> Same<T> for T

type Output = T

impl<T> ToOwned for T where T: Clone,

type Owned = T

fn to_owned(&self) -> T

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

impl<F, T> TryCastFrom<F> for T where T: CastFrom<F>,

fn can_cast_from(&F) -> bool

fn opt_cast_from(f: F) -> Option<T>

fn try_cast_from<Err, OnErr>(value: T, on_err: OnErr) -> Result<Self, Err> where OnErr: FnOnce(&T) -> Err,

impl<F, T> TryCastInto<T> for F where T: TryCastFrom<F>,

fn can_cast_into(&self) -> bool

fn opt_cast_into(self) -> Option<T>

fn try_cast_into<Err, OnErr>(self, on_err: OnErr) -> Result<T, Err> where OnErr: FnOnce(&Self) -> Err,

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>

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

fn vzip(self) -> V

pub fn new(
source: BTree<F, D, T>,
range: Range,
reverse: bool
) -> TCResult<BTreeSlice<F, D, T>>

impl<F: File<Node>, D: Dir, T: Transaction<D>> BTreeInstance for BTreeSlice<F, D, T> where
BTreeFile<F, D, T>: Clone + 'static,

fn is_empty<'life0, 'async_trait>(
&'life0 self,
txn_id: TxnId
) -> Pin<Box<dyn Future<Output = TCResult<bool>> + Send + 'async_trait>> where
'life0: 'async_trait,
Self: 'async_trait,

fn keys<'a, 'async_trait>(
self,
txn_id: TxnId
) -> Pin<Box<dyn Future<Output = TCResult<TCBoxTryStream<'a, Key>>> + Send + 'async_trait>> where
'a: 'async_trait,
Self: 'async_trait,

fn count<'life0, 'async_trait>(
&'life0 self,
txn_id: TxnId
) -> Pin<Box<dyn Future<Output = TCResult<u64>> + Send + 'async_trait>> where
'life0: 'async_trait,
Self: Sync + 'async_trait,

impl<F, D, T> Instance for BTreeSlice<F, D, T> where
BTreeFile<F, D, T>: Send + Sync,

impl<F, D, T> Send for BTreeSlice<F, D, T> where
D: Send + Sync,
F: Send + Sync,
T: Send + Sync,

impl<F, D, T> Sync for BTreeSlice<F, D, T> where
D: Send + Sync,
F: Send + Sync,
T: Send + Sync,

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<F, T> CastFrom<F> for T where
T: From<F>,

impl<T, F> CastInto<F> for T where
F: CastFrom<T>,

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

fn matches<T>(&self) -> bool where
T: TryCastFrom<Self>,

impl<T> ToOwned for T where
T: Clone,

impl<F, T> TryCastFrom<F> for T where
T: CastFrom<F>,

fn try_cast_from<Err, OnErr>(value: T, on_err: OnErr) -> Result<Self, Err> where
OnErr: FnOnce(&T) -> Err,

impl<F, T> TryCastInto<T> for F where
T: TryCastFrom<F>,

fn try_cast_into<Err, OnErr>(self, on_err: OnErr) -> Result<T, Err> where
OnErr: FnOnce(&Self) -> Err,

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

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

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