Struct Pair

pub struct Pair<S, T> {
    pub first: S,
    pub second: T,
}

A pair of timestamps, partially ordered by the product order.

Fields

first: S

First timestamp coordinate, e.g. system time.

second: T

Second timestamp coordinate, e.g. event time.

Implementations

impl<S, T> Pair<S, T>

pub fn new(first: S, second: T) -> Self

Create a new pair.

Trait Implementations

impl<S: Clone, T: Clone> Clone for Pair<S, T>

fn clone(&self) -> Pair<S, T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Coarsen for Pair<Duration, u64>

fn coarsen(&self, window_size: &Self) -> Self

Returns a new timestamp delayed up to the next multiple of the specified window size.

impl<TOuter: Debug, TInner: Debug> Debug for Pair<TOuter, TInner>

Debug implementation to avoid seeing fully qualified path names.

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

Formats the value using the given formatter.

impl<S: Default, T: Default> Default for Pair<S, T>

fn default() -> Pair<S, T>

Returns the “default value” for a type.

impl<'de, S, T> Deserialize<'de> for Pair<S, T>

where S: Deserialize<'de>, T: Deserialize<'de>,

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl From<Pair<Duration, u64>> for Time

fn from(t: Pair<Duration, u64>) -> Time

Converts to this type from the input type.

impl From<Time> for Pair<Duration, u64>

fn from(t: Time) -> Self

Converts to this type from the input type.

impl<S: Hash, T: Hash> Hash for Pair<S, T>

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl<S: Lattice, T: Lattice> Lattice for Pair<S, T>

fn minimum() -> Self

The smallest element of the type.

fn join(&self, other: &Self) -> Self

The smallest element greater than or equal to both arguments.

fn meet(&self, other: &Self) -> Self

The largest element less than or equal to both arguments.

fn join_assign(&mut self, other: &Self)

where Self: Sized,

Updates self to the smallest element greater than or equal to both arguments.

fn meet_assign(&mut self, other: &Self)

where Self: Sized,

Updates self to the largest element less than or equal to both arguments.

fn advance_by(&mut self, frontier: &[Self])

where Self: Sized,

Advances self to the largest time indistinguishable under frontier.

impl<S: Ord, T: Ord> Ord for Pair<S, T>

fn cmp(&self, other: &Pair<S, T>) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl<S: PartialEq, T: PartialEq> PartialEq for Pair<S, T>

fn eq(&self, other: &Pair<S, T>) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<S: PartialOrd, T: PartialOrd> PartialOrd for Pair<S, T>

fn partial_cmp(&self, other: &Pair<S, T>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl<S: PartialOrder, T: PartialOrder> PartialOrder for Pair<S, T>

fn less_equal(&self, other: &Self) -> bool

Returns true iff one element is less than or equal to the other.

fn less_than(&self, other: &Self) -> bool

Returns true iff one element is strictly less than the other.

impl<S: Timestamp, T: Timestamp> PathSummary<Pair<S, T>> for ()

fn results_in(&self, timestamp: &Pair<S, T>) -> Option<Pair<S, T>>

Advances a timestamp according to the timestamp actions on the path.

fn followed_by(&self, other: &Self) -> Option<Self>

Composes this path summary with another path summary.

impl<S: Timestamp, T: Timestamp> Refines<()> for Pair<S, T>

fn to_inner(_outer: ()) -> Self

Converts the outer timestamp to an inner timestamp.

fn to_outer(self)

Converts the inner timestamp to an outer timestamp.

fn summarize(_summary: Self::Summary)

Summarizes an inner path summary as an outer path summary.

impl Rewind for Pair<Duration, u64>

fn rewind(&self, slack: Self) -> Self

Returns a new timestamp corresponding to self rewound by the specified amount of slack. Calling rewind is always safe, in that no invalid times will be returned.

impl<S, T> Serialize for Pair<S, T>

where S: Serialize, T: Serialize,

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl<TOuter, TInner> Sub for Pair<TOuter, TInner>

where TOuter: Sub<Output = TOuter>, TInner: Sub<Output = TInner>,

type Output = Pair<TOuter, TInner>

The resulting type after applying the - operator.

fn sub(self, other: Self) -> Self

Performs the - operation.

impl<S: Timestamp, T: Timestamp> Timestamp for Pair<S, T>

type Summary = ()

A type summarizing action on a timestamp along a dataflow path.

impl<S: Eq, T: Eq> Eq for Pair<S, T>

impl<S, T> StructuralPartialEq for Pair<S, T>