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ScoredEntry

Struct ScoredEntry 

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pub struct ScoredEntry<T> { /* private fields */ }
Expand description

A wrapper for scored candidates that implements deterministic Ord.

This struct caches the score as a DeterministicScore (i64 fixed-point) for cross-platform deterministic ordering, along with the UUID for tie-breaking.

§Ordering

ScoredEntry orders by:

  1. Score descending (higher scores first)
  2. UUID ascending (lower UUIDs first for tie-breaking)

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impl<T: HasId> ScoredEntry<T>

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pub fn new(candidate: T, score: f64, index: usize) -> Self

Create a new scored entry.

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pub fn candidate(&self) -> &T

Get the candidate reference.

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pub fn into_candidate(self) -> T

Consume and return the candidate.

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pub fn score(&self) -> f64

Get the cached score.

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pub fn id(&self) -> Uuid

Get the cached UUID.

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pub fn index(&self) -> usize

Get the original index.

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pub fn det_score(&self) -> DeterministicScore

Get the deterministic fixed-point score.

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impl<T: Clone> Clone for ScoredEntry<T>

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fn clone(&self) -> ScoredEntry<T>

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl<T: Debug> Debug for ScoredEntry<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> Hash for ScoredEntry<T>

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

Feeds this value into the given Hasher. Read more
1.3.0 · Source§

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

Feeds a slice of this type into the given Hasher. Read more
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impl<T> Ord for ScoredEntry<T>

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fn cmp(&self, other: &Self) -> Ordering

Compare entries for use with BinaryHeap and sorted collections.

Higher scores are “greater” (popped first from max-heap). On equal scores, lower UUIDs are “greater” (popped first from max-heap). NaN scores map to DeterministicScore::ZERO and sort after all normal values.

1.21.0 (const: unstable) · Source§

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

Compares and returns the maximum of two values. Read more
1.21.0 (const: unstable) · Source§

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

Compares and returns the minimum of two values. Read more
1.50.0 (const: unstable) · Source§

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

Restrict a value to a certain interval. Read more
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impl<T> PartialEq for ScoredEntry<T>

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

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<T> PartialOrd for ScoredEntry<T>

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

This method returns an ordering between self and other values if one exists. Read more
1.0.0 (const: unstable) · Source§

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

Tests less than (for self and other) and is used by the < operator. Read more
1.0.0 (const: unstable) · Source§

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

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
1.0.0 (const: unstable) · Source§

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

Tests greater than (for self and other) and is used by the > operator. Read more
1.0.0 (const: unstable) · Source§

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

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl<T: Copy> Copy for ScoredEntry<T>

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impl<T> Eq for ScoredEntry<T>

Auto Trait Implementations§

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impl<T> Freeze for ScoredEntry<T>
where T: Freeze,

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impl<T> RefUnwindSafe for ScoredEntry<T>
where T: RefUnwindSafe,

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impl<T> Send for ScoredEntry<T>
where T: Send,

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impl<T> Sync for ScoredEntry<T>
where T: Sync,

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impl<T> Unpin for ScoredEntry<T>
where T: Unpin,

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impl<T> UnsafeUnpin for ScoredEntry<T>
where T: UnsafeUnpin,

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impl<T> UnwindSafe for ScoredEntry<T>
where T: UnwindSafe,

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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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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> 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.