LocalSearchPhase

Struct LocalSearchPhase 

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pub struct LocalSearchPhase<S, M>
where S: PlanningSolution, M: Move<S>,
{ /* private fields */ }
Expand description

Local search phase that improves an existing solution.

This phase iteratively:

  1. Generates candidate moves
  2. Evaluates each move
  3. Accepts/rejects based on the acceptor
  4. Applies the best accepted move

§Type Parameters

  • S - The planning solution type
  • M - The move type (must implement Move<S> + Clone)

§Performance

Uses MoveArena<M> for O(1) per-step cleanup instead of allocating a new Vec each step.

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impl<S, M> LocalSearchPhase<S, M>
where S: PlanningSolution, M: Move<S> + 'static,

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pub fn new( move_selector: Box<dyn MoveSelector<S, M>>, acceptor: Box<dyn Acceptor<S>>, forager: Box<dyn LocalSearchForager<S, M>>, step_limit: Option<u64>, ) -> Self

Creates a new local search phase.

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impl<S, M> Debug for LocalSearchPhase<S, M>
where S: PlanningSolution, M: Move<S>,

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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<S, M> Phase<S> for LocalSearchPhase<S, M>
where S: PlanningSolution, M: Move<S>,

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fn solve(&mut self, solver_scope: &mut SolverScope<S>)

Executes this phase. Read more
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fn phase_type_name(&self) -> &'static str

Returns the name of this phase type.

Auto Trait Implementations§

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impl<S, M> Freeze for LocalSearchPhase<S, M>

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impl<S, M> !RefUnwindSafe for LocalSearchPhase<S, M>

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impl<S, M> Send for LocalSearchPhase<S, M>

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impl<S, M> !Sync for LocalSearchPhase<S, M>

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impl<S, M> Unpin for LocalSearchPhase<S, M>
where M: Unpin,

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impl<S, M> !UnwindSafe for LocalSearchPhase<S, M>

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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, 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