Struct LazySet

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pub struct LazySet { /* private fields */ }
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A set backed by a lazy iterator of names.

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impl LazySet

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pub fn from_iter<I>(names: I, hints: Hints) -> Self
where I: IntoIterator<Item = Result<VertexName>> + 'static, <I as IntoIterator>::IntoIter: Send + Sync,

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pub fn from_stream(names: BoxVertexStream, hints: Hints) -> Self

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impl AsyncNameSetQuery for LazySet

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fn iter<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<BoxVertexStream>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Iterate through the set in defined order.
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fn iter_rev<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<BoxVertexStream>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Iterate through the set in the reversed order.
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fn count<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<usize>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Number of names in this set.
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fn last<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<Option<VertexName>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

The last name in the set.
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fn contains<'life0, 'life1, 'async_trait>( &'life0 self, name: &'life1 VertexName, ) -> Pin<Box<dyn Future<Output = Result<bool>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Test if this set contains a given name.
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fn contains_fast<'life0, 'life1, 'async_trait>( &'life0 self, name: &'life1 VertexName, ) -> Pin<Box<dyn Future<Output = Result<Option<bool>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Test contains in less than O(N) time. Returns None if cannot achieve in less than O(N) time.
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fn as_any(&self) -> &dyn Any

For downcasting.
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fn hints(&self) -> &Hints

Get or set optimization hints.
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fn first<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<Option<VertexName>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

The first name in the set.
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fn is_empty<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<bool>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Test if this set is empty.
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fn id_convert(&self) -> Option<&dyn IdConvert>

Get an optional IdConvert interface to check hints.
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impl Debug for LazySet

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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,

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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,

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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

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> SyncNameSetQuery for T

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fn iter( &self, ) -> Result<Box<dyn NameIter<Item = Result<VertexName, DagError>>>, DagError>

Iterate through the set in defined order.
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fn iter_rev( &self, ) -> Result<Box<dyn NameIter<Item = Result<VertexName, DagError>>>, DagError>

Iterate through the set in the reversed order.
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fn count(&self) -> Result<usize, DagError>

Number of names in this set.
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fn first(&self) -> Result<Option<VertexName>, DagError>

The first name in the set.
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fn last(&self) -> Result<Option<VertexName>, DagError>

The last name in the set.
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fn is_empty(&self) -> Result<bool, DagError>

Test if this set is empty.
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fn contains(&self, name: &VertexName) -> Result<bool, DagError>

Test if this set contains a given name.
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fn as_any(&self) -> &(dyn Any + 'static)

For downcasting.
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fn hints(&self) -> &Hints

Get or set optimization hints.
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fn id_convert(&self) -> Option<&dyn IdConvert>

Get an optional IdConvert interface to check hints.
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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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 T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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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
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fn with_current_subscriber(self) -> WithDispatch<Self>

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