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ViterbiSearcher

Struct ViterbiSearcher 

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pub struct ViterbiSearcher {
    pub space_penalty: SpacePenalty,
}
Expand description

Viterbi 탐색기

Lattice에서 최적 경로를 찾는 Viterbi 알고리즘을 구현합니다.

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§space_penalty: SpacePenalty

띄어쓰기 패널티 설정

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impl ViterbiSearcher

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pub fn new() -> Self

새 탐색기 생성

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pub fn with_space_penalty(self, penalty: SpacePenalty) -> Self

띄어쓰기 패널티 설정

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pub fn search<C: ConnectionCost>( &self, lattice: &mut Lattice, conn_cost: &C, ) -> Vec<NodeId>

최적 경로 탐색 (Forward-Backward)

§Arguments
  • lattice - 노드가 추가된 Lattice
  • conn_cost - 연접 비용 조회 인터페이스
§Returns

최적 경로의 노드 ID 목록 (BOS, EOS 제외)

§Example
let path = searcher.search(&mut lattice, &conn_cost);
for node_id in path {
    let node = lattice.node(node_id).unwrap();
    println!("{}: {}", node.surface, node.word_cost);
}
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pub fn get_best_cost(&self, lattice: &Lattice) -> i32

최적 경로의 총 비용 조회

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pub fn has_valid_path(&self, lattice: &Lattice) -> bool

경로가 유효한지 확인

EOS까지의 경로가 존재하는지 확인합니다.

Trait Implementations§

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impl Clone for ViterbiSearcher

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fn clone(&self) -> ViterbiSearcher

Returns a duplicate of the value. Read more
1.0.0 · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for ViterbiSearcher

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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 Default for ViterbiSearcher

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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> 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> 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> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. 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.