Struct SharedTreeNode

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pub struct SharedTreeNode {
    pub id: usize,
    pub feature_idx: Option<usize>,
    pub threshold: Option<f64>,
    pub prediction: f64,
    pub n_samples: usize,
    pub impurity: f64,
    pub left_child: Option<usize>,
    pub right_child: Option<usize>,
    pub subtree_hash: u64,
}

Expand description

A shared tree node that can be referenced by multiple trees

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§id: usize

Unique identifier for this shared node

§feature_idx: Option<usize>

Feature index for split (None for leaf nodes)

§threshold: Option<f64>

Split threshold (None for leaf nodes)

§prediction: f64

Prediction value for this node

§n_samples: usize

Number of samples that reached this node

§impurity: f64

Impurity at this node

§left_child: Option<usize>

Left child node ID (None for leaf)

§right_child: Option<usize>

Right child node ID (None for leaf)

§subtree_hash: u64

Hash representing the subtree structure for sharing

Trait Implementations§

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impl Clone for SharedTreeNode

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fn clone(&self) -> SharedTreeNode

Returns a duplicate 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 Debug for SharedTreeNode

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl UnwindSafe for SharedTreeNode

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 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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