Struct timely::dataflow::operators::core::probe::Handle

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pub struct Handle<T: Timestamp> { /* private fields */ }
Expand description

Reports information about progress at the probe.

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impl<T: Timestamp> Handle<T>

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pub fn less_than(&self, time: &T) -> bool

returns true iff the frontier is strictly less than time.

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pub fn less_equal(&self, time: &T) -> bool

returns true iff the frontier is less than or equal to time.

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pub fn done(&self) -> bool

returns true iff the frontier is empty.

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pub fn new() -> Self

Allocates a new handle.

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pub fn with_frontier<R, F: FnMut(AntichainRef<'_, T>) -> R>( &self, function: F, ) -> R

Invokes a method on the frontier, returning its result.

This method allows inspection of the frontier, which cannot be returned by reference as it is on the other side of a RefCell.

§Examples
use timely::dataflow::operators::probe::Handle;

let handle = Handle::<usize>::new();
let frontier = handle.with_frontier(|frontier| frontier.to_vec());

Trait Implementations§

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impl<T: Timestamp> Clone for Handle<T>

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fn clone(&self) -> Self

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<T: Debug + Timestamp> Debug for Handle<T>

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

Formats the value using the given formatter. Read more
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impl<T> Default for Handle<T>
where T: Timestamp,

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl<T> Freeze for Handle<T>

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impl<T> !RefUnwindSafe for Handle<T>

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impl<T> !Send for Handle<T>

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impl<T> !Sync for Handle<T>

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impl<T> Unpin for Handle<T>

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impl<T> !UnwindSafe for Handle<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,

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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> CloneToUninit for T
where T: Clone,

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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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, 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> ProgressEventTimestamp for T
where T: Data + Debug + Any,

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fn as_any(&self) -> &(dyn Any + 'static)

Upcasts this ProgressEventTimestamp to Any. Read more
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fn type_name(&self) -> &'static str

Returns the name of the concrete type of this object. Read more
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impl<T> ToOwned for T
where T: Clone,

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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)

Uses borrowed data to replace owned data, usually by cloning. Read more
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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<T> Data for T
where T: Clone + 'static,